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August 2019

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Contents v.1 updated (August2019).qxp_Layout 1 24/07/2019 12:31 Page 1

August 2019 · Volume 48 · Number 410

contents

5

COMMENT 2

THE INTERNATIONAL SCENE 3 · Marriage of two minds

OUTLOOK 5 · Disability aid award 6 · Duncan & Todd acquisitions

6

7 · Cost of uncorrected myopia 8 · Honorary degrees from New York 10 · Essilor’s Bhutan partnership 11 · High ranking for Zeiss

FEATURES 12 · Survey: Anti-reflection coating OW technical consultant Peter Wilkinson

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OPTIPRODUCTS 20 · Swiss sunglass collection 21 · Silhouette unveil Urban fusion

MARKETPLACE 23 · A to Z of optical websites 24 · International Suppliers Guide

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August 2019

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pp2 Comment (August 2019).qxp_Layout 1 24/07/2019 12:38 Page 1

I

f you’re running any business, you want not just to bring in new customers but get repeat trade from those who’ve already bought your goods or services. The optical world is no exception. Opticians, for example, don’t just want to prescribe and sell one pair of spectacles; they want clients to return. If they come back for a new sight test and their vision hasn’t changed, the optical retailer will appeal directly or indirectly to the customer’s sense of fashion in the hope that they will still buy a new pair of glasses. It’s this drive that positions frame designers and manufacturers as part of the fashion industry. But what about all those clients who wear contact lenses? They may still be in the minority but we’re nonetheless talking big numbers. There are, after all, an estimated 125 million contact lens wearers around the globe; more than a third of them in the USA. In the past, optical retail outlets focused on multiple sales of sterilising solutions but things have moved on. There has been a marked shift to daily disposable lenses. These, by definition, encourage repeat business, although the High Street optical retailer these days faces stiff competition from online discounters. What’s needed is innovation, and ours is an industry where there is a constant drive to develop new and better products. Contact lenses compete for comfort and convenience (for wearers, both have been key factors in the shift to daily disposables). Optometrists now though are able to introduce their customers to new designs of contact lens that give them even better vision. Multifocal contact lenses were heralded as the Next Big Thing to revolutionise the contact lens market and bring customers back clamouring for more and better. Take up in most markets, however, has been low and, worryingly, so have retention rates. Recent studies report one‐year retention rates of only 57 per cent. For the wearer, it seems, multivision contact lenses are still perceived to be work in progress. Doubtless we will continue to see refinements and improvements in these lenses as manufacturers work to iron out what the wearers consider to be the kinks. The latest innovation is the launch of a new range of contact lenses designed to adapt to changes in light levels. Johnson & Johnson’s new Acuvue Oasys lens is believed to be the first commercial attempt to marry the disposable contact lens with photochromic lens technology. There have been some bold claims for this new development in the contact lens industry and there have been no shortage of naysayers voicing scepticism over response times when moving between bright and dark areas. We can see, however, that this is technology that has the potential to excite users. Could this be an idea that will both bring new customers in and have them return asking for more?

Published nine times a year by Optical World Ltd 258a Fairfax Drive Westcliff-on-Sea Essex SS0 9EJ England Telephone: (44) 1702 345443 info@optical-world.co.uk www.optical-world.co.uk www.facebook.com/ OpticalWorldLtd

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www.optical-world.co.uk

Associate Editor: Selwyn Ward

Annual subscriptions: £99 United Kingdom €199 Europe £155 overseas by seamail £190 overseas by airmail

Technical Consultant: Peter Wilkinson

United States: $250 seamail, $295 airmail

Consultant Editor: Richard Chaffin

Cheques and money orders: Payable to Optical World Ltd 258a Fairfax Drive Westcliff-on-Sea Essex SS0 9EJ, UK © OPTICAL WORLD LTD

Editor and Publisher: Gerald Ward

Publishing Director: Russell Ward Assistant Publisher: Jenny Barnes

Copy dates: Editorial: First of the month preceding publication Advertising: 15th of month Design by: Quick Brown Fox Printed in the UK by: The Magazine Printing Company www.magprint.co.uk ISSN 0969-1952


(6) International Scene (August2019).qxp_Layout 1 24/07/2019 12:40 Page 1

InternationalSCENE

Marriage of two minds o the honeymoon has been resumed, if honeymoon it ever really was. The last (June 2019) issue of OP! TICAL WORLD reported a ‘settling’ of the disagreements which almost from the start bedevilled ophthalmics’ new giant entity EssilorLuxottica. Disputes have been banished: ‘a renewed start of profound collaboration’ has been promised. Equal governance powers for the two groups will be assured, says the EssilorLuxottica board, by empowering Francesco Milleri (for Luxot­ tica) jointly with Laurent Vacherot (for Essilor) to push ahead with full integration over a one to two year pe­ riod. Neither man will be a candidate for the new post of EssilorLuxottica chief executive officer, who should be in place by the time the integration process is com­ pleted. Merger instigator Leonardo Del Vecchio’s Delfin has ‘terminated’ the arbitration process it set in train back in March. Does this end the teething troubles for by far the largest combination of companies the ophthalmics in­ dustry has ever seen – large enough to bring oph­ thalmics forward from its usual niche industry status into the global limelight with revenues worth over £45 billion, annual sales over £15 billion, and an in­

ternational staff of thousands? What is the backstory which any prospective CEO can be expected to tease out? Could Del Vecchio’s complaints of unfair and unequal tactics by Essilor management, together with the counter­accusations of ‘a de facto attempt to take control’ have been foreseen? How real were the snarls on both sides, how much the acting out of a stately management dance routine, perhaps inevitable in all the circumstances? How much has the underlying business of integration been set back? One imagines the new giant’s Strategy Committee (of which new Essilor director Vacherot is to be a member) will play a key future role in considering all the effects. Another question for the committee: how much extra opportunity has the quarrel created for EssilorLuxottica’s competitors, Zeiss prominent among them? From published figures, along with Zeiss both Essilor and Luxottica have prospered and progressed over the months the dispute has covered. We may never know – though we can be fairly sure the strategy Committee will seek to ascertain – how different things might have been without it. In passing: eyecare may soon gain another new cor­ W

August 2019

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InternationalSCENE poration in the ‘Luxilor’ superleague. Allergan of Botox fame is set to be the subject of an amicable takeover by New York­based Pharma giant AbbVie, creating a business with combined revenues of $48 billion. Abb­ Vie boss Richard Gonzales will run it. The deal is ex­ pected to result in Allergan moving its company domi­ cile back from Dublin to the USA. ‘Let me not to the marriage of true minds Admit impediments’ wrote William Shakespeare. The pre­ merger successes of Essilor and Luxottica could be ar­ gued to prove their respective minds true, and truly focused. However, the frame/sunglass and spectacle lens industry have, historically, been more different than those outside ophthalmics would readily believe. Did such real, deep differences make up part of the impediment from which EssilorLuxottica so publicly suffered over what should have been the time of its corporate honeymoon? Trouble in Hong Kong Across the ophthalmic industry world and ‘Luxilor’s’ empire – entities which increasingly appear synony­ mous – reactions to the early­day Luxottica versus Es­ silor dispute have, understandably, been equivocal, among competitors, customers and vassals alike. Perhaps our industry as a whole should also be con­ cerned by recent news from Hong Kong, where up to 2 million of the enclave’s 7 million population crowded the streets earlier this summer to protest against a proposed new law. This was designed to ease the process of extradition to the Chinese mainland for trial on a variety of offences. Protestors feared further ero­ sion of Hong Kong’s autonomy set in place under a ‘one country, two systems’ scheme when the city re­ verted to Chinese control from Britain in 1997. This new law would have affected everybody living and working in Hong Kong, including residents, and would have made it a requirement for Hong Kong judges to freeze the assets of suspects for crimes committed on the mainland. Fears were also expressed that mainland authorities would use the new legal provision to silence and remove activists or the political opposition. After days of unrest, Hong Kong’s Beijing­backed CEO Carrie Lam suspended debate on and implemen­ tation of the controversial bill. At the time of writing, however, it had not been withdrawn nor had Ms Lam resigned as protestors demanded. With flights of capital, especially to rival hub city Singapore, already well under way, Hong Kong watch­ ers are concerned for the enclave’s status as Asia’s number one financial centre. World ophthalmics should surely have its own specific fears, given the vi­ tally important role Hong Kong has increasingly been 4

www.optical-world.co.uk

playing in global ophthalmic product development and distribution. The continuing plastics problem Across the continents and around every ocean, global concern over plastics waste disposal goes on rising. This does not, so far, seem to be affecting frame and sunglass market trends; the synthetic materials this industry uses do not appear to be widely perceived as part (a very small part!) of the problem, though it is becoming noticeable that ‘acetate’ is the description of choice for consumer­aligned frame descriptions nowadays. As for spectacle lens materials, public if not practitioner awareness of these as plastics seems so low as to be all but subterranean. At the heart of plastics disposal problem is the fact that, from the Bakelite and Imshel of the 1920s on­ wards, plastics have tended to break down more slowly and reluctantly than other substances and when they do so to leave ‘microplastic’ residues which obstinately refuse to break down at all. The race is on to find and develop new plastics which not only biode­ grade faster but leave no microplastic legacy behind to pollute atmospheres and oceans. Two material groups have been identified: oxo­ biodegradables and their starch­based counterparts. Now UK companies from the Oxo­biodegradable Plas­ tics Association are complaining that the European Union has banned their materials for use from 2021 onwards, while closing down a Europe­wide study which the Association believes might have supported their claim that oxo­biodegradables decay too fast, in the presence of oxygen and bacteria, to produce mi­ croplastics in the process.  Is this close down another cause for UK animosity towards the Union we are try­ ing to leave? (By the way: movement on this front ap­ pears unlikely until at least the end of October this year. However, Britain’s youth have a new favourite word – Brexit.) A University College of London based expert explains that no material so far, in either group, represents a fully satisfactory solution to the basic problem. All of them, he argues, require very specific conditions if they are to biodegrade harmlessly. Given the uses to which plastics materials are put in ophthalmics – worn, on the human face or the eye and its biofilm – one would suppose that biodegrad­ ability in the eyecare context would create even worse headaches; indeed, what one might call the unin­ tended biodegradation associated with frame and lens wear has been an acknowledged problem for decades. Who is researching it now, against the current plastics crisis backdrop?


(6) Outlook August 2019.qxp_Layout 1 24/07/2019 12:42 Page 1

UNITED KINGDOM

Disability aid award OrCam Technologies, the world’s most advanced wearable

International Development, the ‘Innovating for Disability’

AI-driven artificial vision innovator, has been shortlisted

award is a new addition for the 2019 awards, now in their

for the ‘Special Award: Innovating for Disability’ at the

sixth year. The award category showcases solutions that

FT/IFC Transformation Business Awards 2019 for its

harness the power of inno-

breakthrough wearable artificial vi-

vation and technology to

sion technology. The annual

ensure inclusion among

awards, run by the Finan-

people with disabilities.

cial Times and the Inter-

OrCam’s second gener-

national Finance Corpo-

ation device, the OrCam

ration, a member of the World Bank Group),

MyEye 2, is claimed to be the

highlight innovative, long-term private-sector solutions to major development challenges. Thirty-

world’s most advanced wearable artiOrCam MyEye 2

ficial vision device. It was developed

five finalists were selected from a pool of 270 entries —

to help blind and visually impaired people to live more in-

the highest number received since the program’s

dependent lives, but has also been used by a wide range

inception.

of people who are unable to read fluently, for example

Developed in partnership with the UK Department for

due to dyslexia, or following a stroke or brain injury.

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A truly global gathering A worldwide focus on myopia control is starting to take

myths and misconceptions in myopia management, com-

effect, with audiences at the British Contact Lens Association

pared the benefits of myopia management over putting

Clinical Conference more engaged with the concept than

children into contact lenses and questioned whether or

ever before. Speaking to a packed crowd at the event

not you could be successful in myopia management without

held in Manchester from May 30 – June 1, keynote speaker

measuring axial length.

Jeffrey J Walline from Ohio State University said: ‘When I

As part of the discussion, Dr Walline concluded that

first started talking about myopia control there would be

spending time outdoors at an early age can delay the

10 people in the audience. Five would be my family and

onset of myopia but it doesn’t necessarily slow its

the other five would be in the wrong room. Things have

progression.

changed now.’

The conference saw hundreds of eye care professionals

A dedicated track on the second day of the three day

from across the world descend on the Manchester Central

conference focused solely on the issue of myopia control,

Convention Centre to enjoy a packed programme of

with Dr Walline chairing a session which explored the

lectures, workshops and peer discussions.

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ABDO appointment Max Halford has been announced as the new Clinical Lead at the Association of British Dispensing Opticians. His role will be to identify opportunities to promote

Max Halford

and enhance the role of dispensing opticians in both community and secondary care settings. Commenting on the appointment ABDO Deputy Chief Executive Barry Duncan said, ‘We were impressed by the passion and commitment to drive the profession forward along with the obvious skills and experience Max possesses. He will be a real asset to ABDO and provide us with wise counsel and expertise in both the clinical and political landscape.’

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(6) Outlook August 2019.qxp_Layout 1 24/07/2019 12:43 Page 2

SCOTLAND

Duncan and Todd acquire nine Black & Lizars stores Duncan and Todd has become the largest independent optical provider in Scotland following the acquisition of nine branches from optometrist Black & Lizars. The acquisition — completed for an undisclosed sum — is the sixth to take place since Duncan and Todd secured a £15million investment from LDC, the UK’s leading mid-market private equity investor, in March 2018. 56 Black & Lizars staff have transferred to Duncan and Todd as part of the deal, which will see the group move into seven new towns and cities across Scotland and increase its headcount to 405. Black & Lizars’ two stores in Aberdeen are being rebranded to Duncan and Todd Opticians. A further seven branches in Perth, Stirling, Dalkeith, Haddington, Helensburgh, Ayr and Troon are being renamed under the group’s 20 20 Opticians and Hearing Care brand. The acquisition will provide an enhanced experience for patients, including access to integrated optometry and audiology services and wider product ranges, and there will be no disruption to customer service as a result of the deal.

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UNITED KINGDOM

INSPECS makes ‘One to Watch’ Sunday Times Fast Track Profit 100 list Bath-based eyewear design house INSPECS has made the Sunday Times Fast Track Profit 100 ‘Ones to Watch’ list. From a shortlist of 30 companies, INSPECS made the final list of 10 selected on the strength of management, challenges overcome, innovation, past growth and future prospects. INSPECS, which has offices in Portugal, the US, China and Vietnam, was recognised for producing 8 million frames annually for international brands and for a 2019 forecast ebitda profit of £9.5m. The overall winner will be chosen by a panel of judges including David Buttress, co-founder Just Eat, Stuart Lisle, partner, BDO and Hamish Stevenson, founder, Fast Track and awarded a special award at the Profit Track 100 National Awards dinner in June. Robin Totterman, CEO, INSPECS says: ‘At a time of great uncertainty, it’s a real milestone for INSPECS to be included in the top 10 ‘Ones to Watch’ alongside the Sunday Times Fast Track Profit 100 companies. We took a conscious decision to relocate the company to Bath from London in the early 2000s and it has really paid off. Bath has been a fantastic talent pool for the creative and management teams who drive the growth of our company. The beautiful surroundings help us to be more strategic while enjoying a more balanced work/life environment.’

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Professor David Spalton joins Optical Express International Medical Advisory Board Professor David Spalton, a globally renowned consultant ophthalmic surgeon, has been appointed to Optical Express’s International Medical Advisory Board. Professor Spalton specialises in cataract surgery, complex cataract surgery, intraocular lens design and has frequently been recognised for his contribution to research in the field. He brings to the Advisory Board a huge amount of expertise stemming from his long career as a leading figure in ophthalmology. He practised as a consultant ophthalmologist in the NHS at St Thomas’ Hospital for more than 30 years and has previously been President of both the United Kingdom and Ireland Society of Cataract and Refractive Surgeons, and the European Society for Cataract and Refractive Surgeons.

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www.optical-world.co.uk

Professor David Spalton


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AUSTRALIA

Costs of uncorrected myopia Vision impairment caused by uncorrected myopia cost the

vision correction to all who need it, potentially leading to

global economy an estimated US$244 billion in lost pro-

a significant annual saving in productivity.

ductivity in 2015, according to a new study published in the scientific journal Ophthalmology.

Co–author Tim Fricke, from Brien Holden Vision Institute Limited says, ‘On current trends we expect there will be

The research estimated that 538 million people had

2.6 billion people with myopia globally in 2020. While the

vision impairment resulting from uncorrected myopia,

majority will have access to corrective lenses such as

with the East Asia region, which includes China, bearing

spectacles and contact lenses, enabling them to have

the greatest burden of productivity loss of around US$150

good vision, current service capacity will leave well over

billion. The South Asia and South East Asia regions also ex-

half a billion people unable to access an eye examination

perienced significant productivity loss at over US$30 billion

and appropriate correction. This includes around 54 million

each. This represents in excess of 1 per cent of GDP in

people classified as having mild vision impairment, who,

each of the three regions.

although not formally recognised as being vision impaired,

The authors say a one-off investment of around US$20 billion would establish the services necessary to provide

still experience a loss of utility, albeit relatively small, which is accounted for in this study.’

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SWITZERLAND

Alcon debuts as independent, publicly traded company

Alcon, the global leader in eye care, have announced their debut as an independent, publicly traded company and the completion of their separation from Novartis. The company’s shares began trading on April 9, 2019 on the SIX Swiss Exchange and New York Stock Exchange under the symbol ‘ALC’. Alcon is the largest eye care device company in the world, with complementary businesses in surgical and vision care. The company has a global presence in 74 countries and serves patients in more than 140, with fast-growing businesses in emerging markets. Alcon has the widest array of eye care offerings in the industry with products that can treat eye disorders at each stage of life. Under the terms of the separation, each Novartis shareholder or ADR (American Depositary Receipt) holder will receive one Alcon share for every five Novartis shares or ADRs they held as of the close of business on April 1, 2019, the record date for the distribution.

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(6) Outlook August 2019.qxp_Layout 1 24/07/2019 12:46 Page 4

UNITED STATES

Honorary degrees from New York The State University of New York (SUNY) College of Optometry recognised Hubert Sagnières, chairman of the Essilor Group and executive vice chairman of EssilorLuxottica, and Dr Donald Hood, professor of psychology and professor of ophthalmic science at Columbia University, with honorary degrees during its 2019 commencement ceremony held on May 23 at the Roosevelt Hotel in midtown Manhattan. ‘It is an an honour to recognise these extraordinary gentlemen for their respective humanitarian and scientific efforts to advance quality eye and vision care for all,’ said SUNY Optometry president David A. Heath. Hubert Sagnières gave the commencement address and received the honorary doctorate of humane letters for his commitment to improving lives by improving sight throughout the world and his leadership in corporate philanthropy and strategic giving. Dr Donald Hood, the James F. Bender professor of psychology and professor of ophthalmic science at Columbia University, received the honorary doctorate of science for five decades of research addressing the behaviour, physiology and anatomy of the human visual system. His more than 300 publications have concerned the basic neuroscience of vision and diseases of the retina and optic nerve.

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Coburn Technologies’new ecommerce website Coburn Technologies, Inc. has officially launched a brand new e-commerce website for optical consumables and spare parts: www.ShopCoburn.com. Digital surfacing, traditional surfacing, finishing, coatings and chemicals, diagnostics and spare parts are the primary offerings on the site. Any lab manager, technician, or purchasing personnel can easily locate and order consumables and spare parts compatible with a multitude of machines with the click of a button. The new ShopCoburn now offers easy navigation, clean design, search functionality, featured and recommended products and a simple checkout process.

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Coburn Technologies’ new diagnostic instruments sales chief Coburn Technologies, Inc. have appointed Ezequiel Lukin as their new national sales manager, with specific focus on diagnostic instruments for the United States market. Lukin is an experienced veteran in the optical industry. As the former global sales manager for Volk Optical, Lukin brings more than 20 years of sales and optical experience to Coburn Technologies. His experience includes general sales with a specific focus on diagnostics instruments to eye care practitioners in the United States, Latin America and Europe. ‘Ezequiel represents the latest addition to strengthening our international sales organisation, states Alex Incera, President of Coburn Technologies. ‘With specific focus on developing our ophthalmic instruments business, Ezequiel is an integral addition and will help drive our diagnostics product offering and market leadership.’

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(6) Outlook August 2019.qxp_Layout 1 24/07/2019 12:47 Page 5

UNITED KINGDOM

Obituary: Shelagh Hardy We are deeply saddened to record the death of Shelagh Hardy who passed away peacefully in Eastbourne General Hospital on Wednesday, July 3 at the age of 82. After graduating from Oxford University in 1958 with a degree in English, she joined the Hatton Press, working under the tutelage of her father W.E. (Bill) Hardy (Master of the Worshipful Company of Spectacle Makers 1965-66), for many years editor of the Optician, a role which Shelagh also held for a brief spell in the early ’70s. Shelagh went on to spend her whole life reporting on the world of ophthalmic optics, and was a contributor to OPTICAL WORLD for many years. Shelagh will be sadly missed by both friends Shelagh Hardy pictured at the Livery dinner held in April with the Master John McGregor and Liveryman Jeffrey and colleagues within the industry. W Smorley (©Mark Witter Photography) BHUTAN

Essilor partnership with Royal Government of Bhutan Essilor and the Royal Government of Bhutan officially

Sight program which offers free vision screening for all

launched their partnership to make Bhutan the first

students aged six to eighteen and equips those in need

country in the world

with free glasses, is

to eradicate poor vi-

underway and will

sion with a monu-

be

mental milestone —

October. The adult

the

screening program

delivery

of

10,000 pairs of spec-

completed

by

will begin in 2020.

tacles for use in its

As part of the part-

Bhutan School Sight

nership, starting from

program.

the last quarter of

To mark the occa-

2019,

nearly

200

sion, Her Majesty Ashi

health assistants will

Kesang

Choeden

be trained to conduct

Wangchuck, Queen

basic visual acuity

Mother of His Majesty

tests, distribute sim-

The

Druk

ple reading glasses

Gyalpo, who made

and direct patients

Fourth

possible the partnership with her patron-

Her Majesty Ashi Kesang Choeden Wangchuck, Queen Mother of His Majesty The Fourth Druk Gyalpo (third from right, third row from the front) presented glasses to citizens at the launch ceremony

with vision correction needs to eye health

age, presented spectacles to citizens in a launch

practitioners. These health assistants will be able to

ceremony in May.

conduct vision screenings for the residents in their

Organised by the Ministry of Health, the Bhutan School

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communities.

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ITALY

Safilo in David Beckham eyewear agreement Safilo Group, a worldwide leader in the design, manufacturing and distribution of eyewear, and global icon David Beckham, have signed a global ten-year agreement for the eponymous license for sunglasses and prescription glasses. The first David Beckham eyewear collection will launch in January 2020. ‘Safilo has a long history of creating high quality eyewear brands. I wear sunglasses all the time and this is a category that I love. So, it’s important to me to work with a partner who cares as much about the design and craftsmanship of the product as I do,’ said David Beckham.

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GERMANY

Zeiss ranked best company in 2019 Public Value Atlas Zeiss is Germany's highest-ranked company in the 2019

meaningful work and advancing scientific and technological

Public Value Atlas (Gemeinwohlatlas 2019). The announce-

progress,’ says Prof. Michael Kaschke, president & CEO of

ment was made in Berlin recently by the authors of the

Carl Zeiss AG, commenting on the results announced by

study, the Center for Leadership and Values in Society at

the company.

the University of St. Gallen (CLVS-HSG) in co-operation

Zeiss once again posted outstanding financial figures

with the Dr. Arend Oetker Chair of Business Psychology

from the first half of fiscal year 2018/19. Receiving the

and Leadership at HHL Leipzig Graduate School of Man-

top ranking underscores the company's positive development,

agement.

including its efforts to fulfill the mission enshrined in the

‘We are delighted about our company receiving the

Carl Zeiss Foundation Statute for past 130 years. – The

highest score for the 2019 Public Value Atlas. It demonstrates

Foundation is the sole owner of Carl Zeiss AG and the

that Zeiss still embodies those values bestowed by the

oldest private foundation in Germany committed to the

founders on this foundation company: economic success

promotion of science.

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and innovation with the goals of providing society with

UNITED KINGDOM

FRANCE

2019 UN Road Safety Week On the occasion of the 5th United Nations Road Safety Week, Essilor and Groupe Renault have signed a Memorandum of Understanding for a period of two years, to jointly raise awareness about the importance of good vision for road safety and explore innovative solutions to improve drivers’ visual experience. ‘This collaboration with Groupe Renault promises to drive outcomes that will improve people’s vision on the road. We are certain this partnership between two leaders in their field creates a unique opportunity to mobilize public awareness across a broader audience. Combining our respective expertise will result in better visual experience for drivers and contributes to Essilor’s mission of improving lives by improving sight,’ said Laurent Vacherot, chief executive officer, Essilor International.

Obituary: Paul Walden We deeply regret to record the death of Paul Walden, who worked for Norville Optical Company for over 30 years before joining Lenstec Optical Group as sales and technical director in recent years. Paul was a leading light in our industry and will be sadly missed by his Lenstec colleagues and friends across the entire optical profession. W

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Survey v.2 (August2019).qxp_Layout 1 24/07/2019 12:48 Page 1

Anti-reflection coating equipment Peter Wilkinson, OW Technical Consultant

Part 1: Basic theory of surface reflec!on

A

s far back as 1810 a person called Mallus discovered that reflected light is polarised. However if we include this effect into the theory of light reflection the mathematics become highly complex. So, for the purposes of this article we will assume that the light arrives at 90 degrees to the surface and ignore any polarising effect. The amount of reflec!on of light at a surface between two op!cal materials (where the light arrives at 90 degrees to the surface) is given by the following formula where ‘n1’ is the refrac!ve index of one material and ‘n2’ is the refrac!ve index of the second material. Reflec!on = (n1 – n2)² / (n1 + n2)² i.e., for the reflec!on between a layer of 1.7 index material to a layer of 1.5 index material the value is calculated as (1.7 – 1.5)² / (1.7 + 1.5)² = 0.004 = 0.4% But if one material is air (with a refrac!ve index of 1.00) then the reflec!on is calculated as (1.5 – 1.0)² / (1.5 + 1.0)²

= 0.4 = 4%

The reflec!on from the back surface of a lens is o#en assumed to be the same as the reflec!on from the front surface, in which case the total reflec!on will be 8 per cent which is double the single surface reflec!on. This is not true because having lost 4 per cent at the front surface the light ap­ proaching the rear surface is only 96 per cent of the incoming light. In simple terms you could consider that the total reflec!on is therefore 4 per cent front plus 96 per cent of 4 per cent back. This of course assumes that there is no absorp!on within the lens. Things are not quite as simple as that because there are of course mul!ple internal reflec!ons to consider. Allowing for the mul!ple internal reflec­ !ons, it can be shown theore!cally that the reflec!on from a lens surface (including mul!ple internal reflec!ons) is given by the following formula: Reflec!on = 2 x rs / (1+ rs)

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Using this theory, listed below are the reflec­ "on values of uncoated spectacle lenses of differ­ ent refrac"ve index: Material CR39 Crown glass Mid­index High­index V high index Diamond

Single layer coa"ngs The thickness of an an"­reflec"on coa"ng layer is very significant. If the thickness is a quarter of

Refrac"ve Index

Reflectance (per cent)

Transmi$ance (per cent)

1.498 1.523 1.6 1.7 1.8 2.417

7.6 8.2 10.1 12.6 15.1 29.3

92.4 91.8 89.9 87.4 84.9 70.7

From which it can be seen why diamond is an a$rac"ve material to be used for jewellery be­ cause of its very high reflectance value. All of the above values assume that there is no absorp"on ("nt) inside the lens. For "nted lenses the light being transmi$ed through the lens is much reduced and when observed from the front the rear surface reflec"on can be al­ most invisible. The opposite is of course true when looking through a "nted lens from the rear, which is why rear surface an"­reflec"on coa"ng is important for "nted lenses. Consider for example an un­ coated lens with 80 per cent "nt absorp"on where less than 20 per cent of the light is trans­ mi$ed. For a 1.5 index lens, the rear surface re­ flec"on could be 4 per cent, which is a significant propor"on of the 20 per cent transmi$ed. This is the reason why "nted lenses should have at least a rear surface an"­reflec"on coa"ng. How the wavelength of light affects reflec"on The way an"­reflec"on coa"ngs are created is to make use of the fact that light is a wave and the wavelength of each different colour of light is dif­ ferent. The diagram below illustrates the colours of the spectrum through the visible range of about 400 nanometres to about 700 nanome­ tres. Beyond 400 nm and 700nm are the regions of ultraviolet and infrared. The spectrum of light

the wavelength of light then light entering and reflec"ng back will have travelled half of the wavelength. This means that it will now be an"­ phase. So if the reflec"on from the back of the coa"ng layer is an"­phase from the reflec"on from the front of the coa"ng layer they can can­ cel each other out (providing they are of equal strength). This is illustrated below.

Quarter wave cancellation theory

Illustrated below is the reflec"on from a single layer coa"ng which is of about 150 nanometres thick. Near the centre of the spectrum where the light has a wavelength of about 600 nanometres the layer sa"sfies the quarter wavelength criteria and no light is reflected. For higher and lower wavelengths this is not true and the reflec"ons are greater. For double and half of 600 nm the light reflec"on actually increases.

Single layer quarter wave thick at 600 nm

By moving the minimum of the curve to a dif­ ferent wavelength it is possible to create blue and gold single layer coa"ngs. W

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Mul!­layer coa!ngs Single layer coa"ngs were easy to create for high index glass materials but for standard index ma­

Multilayer broadband coating

terials, par"cularly plas"c, it is necessary to use more layers. This o$en involves two thicker layers and two thinner layers which, when combined, together create what is known as a broadband coa"ng which creates an"­reflec"on over most of the visible spectrum. Angular reflectance So far we have assumed that the light is incident and reflected at 90 degrees to the lens surface. Not only does the reflec"on colour change with the angle of incidence but the light becomes par­ "ally polarised. With a curved spectacle lens this can create a significant effect and is a complex subject outside the scope of this ar"cle.

Part 2: Methods of applying an!­reflec!on coa!ngs The thickness of old­fashioned single layer coa"ngs was not hyper­cri"cal and this allowed the earliest AR coa"ngs to be produced without sophis"cated equipment. However, because modern mul"­layer coa"ngs involve producing many layers, some of which are very thin, even in rela"on to the wavelength of light, they need to be created using sophis"cated machinery which includes special methods of measuring the thickness of the coa"ng at the "me it is being ap­ plied. This is normally done using a quartz crystal which oscillates at very high frequency. As the coa"ng is applied the crystal becomes heavier and oscillates more slowly. This oscilla­ "on frequency can be measured electronically and used to control not only the layer thickness but also the speed at which it grows which can influence its refrac"ve index. Replacing the quartz crystal is required quite frequently, which adds cost to the process. An­ other cost factor is the need for large coa"ng ma­ chines. One of the reasons for this is that with mul"layer coa"ngs the layer thickness (and hence reflec"on colour) can be affected by lens curvature. This effect is minimised if the distance between the source of the coa"ng material and the lens to which it is applied is quite long, typi­ cally more than 500 mm. For the molecules of the coa"ng material to travel this distance this needs to be done in a vacuum. These types of machines are usually called box coaters. 14

www.optical-world.co.uk

The coa!ng material evapora!on process Originally, the chemicals used for coa"ng were in the form of a powder which was simply placed in a crucible that was electrically heated so that they evaporated and travelled from the crucible to the lenses. Later, a device called an electron beam gun was used. This device fired an electrically (magne"­ cally) charged beam at the chemicals so that less heat was required. By using a quartz crystal it was possible to accurately control the speed of coat­ ing and also the "me, and hence the coa"ng thickness.

Internal features of a box coating machine (courtesy of OptoTech)


The Diamond Standard for lens production, filtration & refrigeration

Eco 4 Euro Kleenchill Polish System SPECIFICATIONS

The ECO 4 Polish Management System is designed to be used with a facility centralised chilled water system or a stand alone chiller. The system utilises a multistage pump fitted with a single phase variable speed IE5 motor & so can be adjusted to suit any Polishers required polish flow rate (see specifications for an example). A filter bag can be connected to the polish return if required by the operator. The system is floor mounted with wheels & fits easily underneath a conveyor.

POLISH TANK CAPACITY: Min 48 Litres (12.5 US gal) Max 54 Litres (14.5 US gal) DIMENSIONS: 100 x 57 x 69cm L x D x H 39.4 x 22.5 x 11in WEIGHT: 66 Kgs (145.2 lbs)

The Euro Kleenchill lens polish systems enable the user to achieve optimum lens quality control, which embraces both optical polish cleanliness and lens chilling. Additional impressive bonuses are the substantial cost savings and environmental friendliness through avoiding unnecessary lens manufacturing waste. All in all

* Other Voltages & Capacities available on request

they make for a profitable investment for any optical lens producer. Optional Chillers

SPECIFICATIONS

Capacity watts

Power

1100/1300

200-230V 50/60Hz

1700/1900

200-230V 50/60Hz

2100/2400

200-230V 50/60Hz

POWER: 200 - 240V 50/60Hz 0.37 KW Efficiency IE5, IES2 2900 - 4000 rpm PUMP PERFORMANCE EXAMPLE Polisher: Satisloh Duoflex Required Polish Flow Rate: 28 l/min Motor Speed: 45% Estimated Head Pressure: 4.45m Power Consumption: 64 watts

Size: 377 x 500 x 615mm (WxDxH) 200-230V 50/60Hz

2600/3200

Size: 377 x 500 x 660mm (WxDxH) Temperature Range

EUROPTICA INTERNATIONAL LTD 4 Rook Tree Farm, Hulcote, Milton Keynes MK17 8BW UK

5 to 40 +/- 0.1oC

Tel: +44 (0)1908 281578 Email: europtica@europtica.com Web: www.europtica.co.uk

WORLD LEADERS IN LENS PRODUCTION, FILTRATION & REFRIGERATION

NEW


Survey v.2 (August2019).qxp_Layout 1 27/07/2019 10:48 Page 4

Plasma assisted coating Many modern coating machines involve PVD (plasma vapour deposition) or CVD (chemical vapour deposition). This involves the production of an electrically charged plasma where the coating chemicals are evaporated into a gaseous state within the coating chamber. This system is normally used to apply a hydrophobic coating as the top layer of the coating. Magnetron sputtering Instead of evapora!ng a powder coa!ng mate­ rial from a heated crucible, a method called magnetron spu#ering may be used to release coa!ng material from a solid block of material. This solid block is called the ‘target’ because it is electrically bombarded with very energe!c par­ !cles in order to release the coa!ng material. This system allows much lower temperatures to be used and also because the ‘target’ can be quite large (typically 100 mm in diameter) a uni­ form coa!ng layer thickness may be obtained with quite a short distance between the ‘target’ and the lenses. Hence there is no need for a large vacuum chamber and smaller quan!!es of lenses may be coated in each batch. The spu#ering process occurs at a fairly constant speed so by using it a quartz crystal controller is not required, also reducing the cost. Top coatings One of the major problems of anti­reflection coatings mentioned by spectacle wearers is that

they are much more difficult to keep clean than uncoated lenses. To some extent this is a matter of perception. Because an uncoated lens reflects (depending on its refractive index) about 10 per cent of the light, any defect or smudge can be seen much more easily than on an AR coated lens which reflects about 1 per cent of light. This factor of 10 in the way the surface reflection can be seen is highly signifi­ cant. Another factor is that an AR coating is by its nature rougher than an uncoated lens sur­ face and it is also hydrophilic (meaning that it attracts water). The earliest top coatings were called hy­ drophobic, meaning that they were water re­ pellent. The normal way of quantifying this was to measure the contact angle of the water droplet where it meets the lens. A large contact angle means that the water droplet may be almost spherical with little contact between the water and the lens sur­ face. A small contact angle means that the water has spread widely over the surface of the lens. The contact angle of a typical hy­ drophobic coating is approximately 90 degrees and some later versions provide a contact angle of about 110 degrees. An improvement on hydrophobic top coat­ ings are oleophobic top coatings. In addition to being water repellent, these oleophobic top coatings are oil repellent, which means that fingerprints on the lens surface are less obvious.

Part 3: Anti­reflection coating equipment suppliers

The following companies have kindly submitted details of their products for this survey. Further details can be found on their websites.

Bühler Leybold Optics www.buhlergroup.com Bühler Leybold Op!cs offer several an!­reflec!on coat­ ing machines for the ophthalmic industry. Their coa!ngs are designed to work on a wide range of substrates and hard­or photochromic­coat lacquer systems. With their new build Applica!on Center which includes an ophthalmic lab, Bühler Leybold can offer customise AR coa!ngs to serve special requirements as well as the produc!on of qualifica!on samples, development of specialised processes and much more. Listed in the com­ 16

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pany’s por%olio for AR coa!ng machines are the follow­ ing systems. The Leybold Op!cs CCS is a unique concept, especially op!mised for the needs of small to medium Rx labora­ tories. Its modular philosophy allows customers to start with a low ini!al investment. As business demand grows, a wide range of upgrades are available to match. The system is available with flip­over system or full­ dome and its ergonomic top­loader design makes it easy to use. The coater is handling from 50 – 200 pairs / 8h. BOXER 900 is a highly flexible, mid­size to high­volume


OPTRAFAIR.CO.UK | @OPTRAFAIR | #OPTRAFAIR

OPT20_A4AD.indd 1

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pla!orm for Rx and stock lens produc"on. It offers a ro­ bust design and a compact footprint. The coater is han­ dling from 270 – 46 pairs / 8h. SYRUS 1100 is considered to be a workhorse for high­ volume 24/7 produc"on and is claimed to set bench marks due to its highly produc"ve, reliable and cost­efficient setup. Due to the large variety of configura"ons the SYRUS 1100 can be perfectly matched to customers’ individual needs. The coater is handling from 360 – 600 pairs / 8h. LEYBOLD OPTICS ECS Syrus 1100 from 1350 is extremely focused on low­cost Bühler Leybold Optics mass produc"on. In this segment, its throughput per CAPEX ra"o is the industry benchmark for stock lens produc"on, but also suitable for Rx manufac­ turing. The coater is handling from 550 – 890 pairs / 8h.

Cotec www.cotec-gmbh.com Cotec has been established for many years and provides coa"ng systems especially designed for hydrophobic ‘easy to clean’ coa"ngs. By using the unique volume based technology, a homogeneous coa"ng on both sides in one run will be achieved. The hydrophobic coa"ng systems HCS 100P­UH are fully automated to produce boundary layer­modifying coa"ngs with thicknesses of just a few nanometers. De­ pending on the customer’s re­ quirement, the produc"on systems are designed for small to large coa"ng labs as well as laboratory facili"es for ins"tutes and research facili"es. All versions are plug­and­play solu"ons and are preconfigured for Cotec’s HCS-100-UH coating system the corresponding customer product, including specific process parameters. The chamber di­ mensions and the vaporisa"on process is designed to ensure completely homogeneous coa"ngs even on 3D substrates or pre­mounted components. HCS Coa"ng machines are already in use at many com­ 18

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panies from various market segments. The quick batch process of less than 20 minutes is established either at small laboratories as well as at large produc"on lines.

OptoTech www.optotech.de.com OptoTech offer a large range of an"­reflec"on coa"ng machines ranging in size from the OAC­25 Plus which has an 8 lens flip system ranging up to the OAC­140 which can coat up to 270 lenses per batch depending on their diam­ eter. All systems provide a one side coa"ng 28 minute cycle "me (except the smallest which has a 45 minute two side flip system). The OAC–25 Plus machine is suitable for small Rx labo­ ratories and start­ups. It has an eight lens flip over system for lenses between 60 and 80 mm diameter. Easy to operate, and flexible with shortest cycle "mes of less than 30 minutes (sin­ gle side), features include a pumping system with turbo pump and pre­pump, ad­ vanced pumping with Meissner trap plus Polycold (op"onal), high quality stainless steel vacuum chamber with electropolished sur­ OptoTech’s OAC-75 face, process control unit with user inter­ AR coating system face, electron­beam evapora"on system, Ion source and thin film deposi"on control with quartz crystal method. The OAC­60 is also suitable for small laboratories and start­ups and has a batch size of 42 to 48 lenses. Suitable for small and mid­size Rx labs. the OAC–75 coats up to 54 lenses of 75 mm diameter, 60 lenses of 70 mm diameter or 72 lenses of 65mm diameter, the OAC– 90 Plus coats up to 87 lenses of 75 mm diameter, 96 lenses of 70mm diameter or 114 lenses of 65mm diameter. Perfect for mid­size and large Rx labs, OptoTech’s OAC– 120 can coat up to 156 lenses of 75mm diameter, 168 lenses of 70mm diameter or 210 lenses of 65mm diameter, and the OAC­140, for large size Rx labs and mass produc"on, coats up to 216 lenses of 75mm diam­ eter, 240 lenses of 70mm diameter or 270 lenses of 65mm diameter. For machines up to and including the OAC­60, OptoTech offer three types of coa"ng. The Duracote for plas"c lenses, the Duraquartz for mineral lenses and the Duraflex, available in different colours for mirror and


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Sa!sloh’s MC­380­X is a mid­volume box coater which fits throughput requirements of medium to large Rx labs. Combined with an ultrasonic cleaning system, flow­ box and degassing oven, this offers a complete coa!ng lab solu!on. The MC­380­X can either have a flip over Satisloh system with up to 42 lenses or a three­sector dome www.satisloh.com which can hold up between 45 and 120 lenses Covering the full process chain, Sa!sloh offers a wide depending on their size. The coa!ng range of AR, mirror and top­coat pro­ lab increases efficiency with fully au­ cesses as well as matching coa!ng tomated lens cleaning, three­sector consumables, for all lens materials dome or a flip­over system for dou­ and coa!ng quality requirements. ble­side processing, easy and fast The 1500­X is Sa!sloh’s high swap from dome to flip­over lens throughput vacuum box coater for holder, Ion gun with shu%er, electron clear AR and sun lenses. It is the ideal beam gun with shu%er, and a pump system for large Rx labs and mass­ system with a powerful molecular manufacturing facili!es that want to turbo pump 1900 l/s. User­friendly and maximise their produc!vity with reli­ with intelligent HMI so$ware the MC­380­X able and consistent coa!ng. It has a high ca­ Satisloh’s 1200-DLX-2 box coater is fully compa!ble with Sa!sloh’s MES­360 manufac­ pacity of up to 310 lenses/batch 70 mm diameter with ringless full dome, and unprecedented turing execu!on system. The MC­280­X lower volume stand­alone box coater throughput for mul!ple processes. The flexible system deposits an!­reflec!ve and/or mirror coa!ngs on or­ offers mul!ple process applica!ons and provides high­ ganic and mineral lenses via thermal evapora!on pro­ est flexibility for Rx labs with small batch requirements cess (PVD). Features include a big Meissner trap with and features the same sophis!cated AR and mirror coat­ large surface area which reduces pump !mes at the ing processes as 1200­DLX and MC­380­X. The machine start of the deposi!on process which increases through­ has a dome lens holder that can hold 26 lenses of 81 put and stabilises process condi!ons, and a powerful mm size or 30 lenses of 72 mm size. The MC­380­X can and fast diffusion pump system. An energy saving kit is either have a flip over system with up to 42 lenses or a 3 sector dome which can hold up between 45 and 120 available. User­friendly and intelligent HMI so$ware allows op­ lenses depending on their size. erators to quickly input data, set up procedures and change between process parameters. E­beam gun pro­ Schneider vides high flexibility when selec!ng and changing coat­ www.schneider-om.com ing processes (e.g. mirrors, AR, colours). A simplified Schneider are very well known for their wide range of E­beam gun features E­beam emi%er with fewer parts ophthalmic equipment. For an!­reflec!on coa!ng they for easier maintenance, less re­alignment and increased offer four sizes of box coaters and also one spu%er reliability. Ion gun improves the adhesion of coa!ngs on coater. The box coaters all offer similar technical capa­ various types of substrates and can be used during the bili!es and cycle !mes, the only difference being layer deposi!on (ion assistance). The 1500­X is fully the size. compa!ble with Sa!sloh’s MES­360 manufacturing ex­ With a small foot print of (width x depth x height) ecu!on system. 1300 x 950 x 2000 mm (52 x 38 x 79 inches) the EBC 400 Built for maximum throughput requirements in large is the most compact coa!ng system provided by Schnei­ labs and stock lens produc!on, the 1200­DLX­2 is based der, and accommodates all the requirements of a small on its predecessor 1200­DLX but has been completely Rx­lab. It can coat up to 20 lenses per batch. Expanded redesigned for maximised produc!vity, reliability, and ion source power for argon and oxygen use and a water­ energy efficiency. The system is available with 6­sector cooled process chamber gives high process stability. dome (standard), a ringless full big dome or a flip­over With the new visAR process, the system transfers coat­ system for double­sided processing, offering solu!ons ing into small Rx­labs whether on organic or glass lenses. for all process applica!ons. It has a capacity of up to 209 The modular design is upgradeable for higher produc­ lenses 70mm diameter (ringless dome). !vity requirements. colour coa!ngs. For larger machines OptoTech also offer their Iridio an!­sta!c coa!ng. Special and customised coa!ngs are also available on request.

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The EBC 600 for small and mid­sized Rx­labs repre­ or glass lenses. With the op"mised design of the vac­ sents a compact system to produce quality products. It uum chamber and protec"on shields, cleaning cycles are is capable of coa"ng about 40 lenses per batch. Also for claimed to be shortened and minimised, resul"ng in less small and mid­sized labs is the EBC 900 which can coat down"me during produc"on. The EBC 1400 can coat almost 100 lenses per batch. about 200 lenses per batch. For mass manufacturing and large The RPT nano spu$er coater is for Rx labs Schneider offer the EBC 1400 AR coa"ng applica"ons in a high qual­ coa"ng solu"on for state­of­the­art ity rapid response environment. Pro­ process technology combined with cess "mes of less than 12 minutes per proven components which guarantee side can be achieved due to the spe­ shortest process "mes. The EBC 1400 cial target design and computer op"­ is equipped with magne"c levitated mised process simula"on. The targets turbo molecular pumps which enable are sufficient for a few thousand coat­ significant energy savings. Its high ings. Two pair of lenses in a batch sat­ performance EBG system and cru­ isfy the market needs of high process cible configura"on provide full evapora­ flexibility and short delivery "mes. : EBC 1400 coating system from Schneider "on material flexibility – whether on a As part of the Schneider machine port­ segmented dome or a flip­over system. Layer proper"es folio, the RPT nano can be connected to the LMS in are op"mised with Ion assisted deposi"on using argon order to op"mise the process for different lens or oxygen to guarantee best process quali"es for organic geometries.

New styles from Red Rose Ogi Eyewear have announced the release of a few fresh styles from their Red Rose collection. The latest designs showcase diversity with a marriage of both materials and shapes. The Anzio revitalises a classic P3 shape for the modern era in eyewear. A flawless blend of TR90 and stainless steel united, connected by Red Rose’s signature rolling hinge. With Japanese inspired elongated nose pads, the Anzio is an upgrade well­deserved. Prato collects a time­honored style and throws an updated spin on the semi­rimless design. Stainless steel and TR90 become sandwiched together and pressed to deliver the high­end traits of the materials. A classic style comes reborn in the Velletri. A basic aviator shape is reworked and reshaped with added pops of personality. A double bar pulls out the retro 80s inspirations while TR90 works to bring eye­catching contrast points throughout the rim. For further details visit: www.ogieyewear.com

Swiss sunglass collection Nirvan Javan, the Swiss brand has introduced the Shades 19

the brand and cover the spectrum from simple elegant to a

collection, five unisex models, inspired by the most successful

slight fashionable touch.

Nirvan Javan Eyewear optical frames and equipped with high quality lenses. The Carl Zeiss licensed Shades 19 come with a backside anti­reflec­ tion coating and each model in­ cludes a polarised variation. The colours are in line with the identity of

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The collection adapts to the lat­ est eyewear trends and the hand­ writing of the Swiss designer with Persian roots creates the unique appearance of the Shades 19. For further details visit: www.nirvanjavan.com


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Silhouette unveil Urban Fusion collection Silhouette, leading luxury eyewear brand, has introduced a

The women’s model 1574 will see a range of subtle

series of eight brand new colours to its acclaimed Urban Fu­

shades added to the line:

sion collection. Renowned for evoking Silhouette’s signature

marsala, mauve, dark red and lavender and will be offered

minimalist structure but with a sleek full­rim design, two

with a selection

models within the range have received a colour

of sleek, elegant finishes on the

refresh for 2019.

frames and temples, including a

The new series of colours

silky matte, marbled amber

will be introduced to Urban Fu­

or monochrome, delicately

sion’s women’s model 1574 and men’s

finished with matte gold or

model, 2904 – the Austrian

silver end­tips.

brand’s best­selling models within

Meanwhile, the men’s 2904 model

the collection. Both offering

unveils a number of classic, more subdued tones added

softer, classic lens shapes, each will now be available in four

to the range: carbon gray, dark brown, wild moss and

extra colour ways, giving the range a new lease of life and

night blue.

vibrancy.

For further details visit: www.silhouette.com

Evatik summer release

Premium materials and architectural design elements are combined in the new Eva"k summer releases. Fine detailing and subtle pops of colour create a minimalis"c polished and refined style for the modern man. Semi rimless style E­9192 is a "tanium round frame with a stylised hinge in contras"ng colour that acts as a spring hinge for added comfort. Ultra thin and ultra lightweight, this style is offered in black silver, brown silver and charcoal silver. Style E­9193 is a large fit stainless steel frame featuring a cut down design at the bridge and a chain­link detail in contras"ng colours on the temples. Completed by a ma$e finish, this style comes in black grey, slate red and khaki camel. For further details visit: www.evatik.com

New Ogi styles for kids Ogi Eyewear have introduced a fresh line of Ogi Kids styles. Perfect for the season, these frames bring funky colours and out­of­the­box shapes. Built to be as expressive as its wearer, the OK107 couples chroma"c hues for a fully contras"ng experience and comes complete with adjustable nose pads for ul"mate comfort. The OK347 embodies the ideals of change, with crystalline hues that bring an almost transparent feel to an already pe"te design. Pastel pain"ng throughout the acetate reflects an innocent charm. Made from Ogi’s premium acetate material, the slimly fi$ed frame of the OK348 brings a simple colour skew along the face, but a more pa$erned element can be see atop the brow. Hints of fruit and floral run across the OK349’s select styles, with deeply fresh colour schemes. Dual pressed acetate creates high contrast along the temple and frame face, pulling this look neatly together. For further details visit: www.ogieyewear.com

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AtoZ of OPTICAL websites All the companies listed in our A to Z guide are featured on our own Website along with a Hyperlink. Log onto www.optical-world.co.uk and select the company you are looking for, then simply click on their URL which is highlighted and you’ll be automatically re-directed. Remember to bookmark the Optical World Website so you can easily locate it for future use. If your company’s Website is not shown below, contact us immediately, via our email address info@optical-world.co.uk – The annual cost of an entry in this guide is £90 (£180 with logo)

www.100percentoptical.com

www.europtica.co.uk

Acreas www.acreascoatings.com

Fair & Cheer Inc www.fnc.com.tw

OptoTech www.optotech.de

w.

www.optrafair.co.uk

www.agp-abrasifs.com

AIM Specialty Materia www.aimspecialty.com Arch Crown www.archcrown.com

Automation & Robotics www.ar.be

Federation of Manufacturing Opticians www.fmo.co.uk

www.pads4labs.com

PBG Piezoelettrica Business General Srl www.pbg.it

Groupe Couget Optical www.groupecouget.com Hong Kong Optical Fair www.hkopticalfair.com

www.isucl.co.kr

Phantom Research Labs Inc www.phantomresearch.com

POMDI-Herramientas De Diamante S.A. www.pomdi.com

ww

Bühler Alzenau GmbH Business Area Leybold Optics www.buhlergroup.com

Fil-Tech Inc www.filtech.com

Cerium Optical Products www.ceriumoptical.com

Comes Fratelli Colombo S.r.l. www.comes.it

www.kepets.com

Schneider GmbH & Co. KG www.schneider-om.com

www.laser2000ophthalmic.com

www.scl-intl.com

Comexpo – Silmo www.silmoparis.com

SEIKO Optical UK www.seikovision.com

www.laserop.com

Contact Lens Manufacturers Association www.clma.net

Stratox Ltd www.stratox.com

www.ml-oc.com

www.contamac.com

COTEC Gmbh www.cotec-gmbh.com .

www.tecofrance.com

www.mido.it – www.mido.com

Norville Autoflow www.norville.co.uk

OLA (Optical Laboratories Association) www.ola-labs.org

Reed Exhibition Companies www.reedexpo.com

Wenzhou Int’l Optics Fair, China www.donnor.com

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2019/20 EXHIBITION DIARY 9-11 September

32nd China International Optics Fair China International Exhibition Centre Beijing, PR China

19-21 September

International Vision Expo West Sands Expo Centre, Las Vegas, USA

27-30 September

SILMO Parc des Expositions, Villepinte, Paris, France

6-8 November 21-24 November

Hong Kong Optical Fair Hong Kong Convention & Exhibition Centre SILMO Istanbul

2020 10-12 January

Opti 2020 Munich, Germany

25-27 January

100% Optical Excel, London, UK

11-13 February

29 February 2 March

20th China (Shanghai) International Optics Fair Shanghai World Expo Exhibition & Convention Centre, P.R. China MIDO Fiera Milano-Rho, Mialn, Italy

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FORTHCOMING FEATURES SEPTEMBER ISSUE Special SILMO EDITION

OPTICAL WORLD will once again be publishing a major preview of the show. Exhibitors are invited to send details of the products they will have on display to:

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OCTOBER ISSUE Survey: Edging Machinery

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Spotlight on Asia 1 (August2015):Layout 1 20/07/2015 18:17 Page 1

Spotlight on Asia www.diops.co.kr

www.easypower .com.hk

cal.com www.darwinopti

www.nidek.co.jp

www.gialens.com .tw

www.fnc.com.tw

www.toplens.cn

Hong Kong O Manufacturers A ptical ssociation www.h

www.isucl.co.kr

koptical.org.hk

www.sinjindia.com

s.com www.thintechlen

www.siof.cn ww w.ciof.cn


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