A Definitive Guide to polarized Lenses Sunglasses protect the eyes from harmful ultraviolet (UV) rays and reduce eyestrain in bright conditions, but only if the lenses in the sunglasses are right. When you buy sunglasses, the seller comes up with different types of lenses namely polarized lenses, photo chromic lenses, and interchangeable lenses. All of these have different stories and roles in the functioning and efficiency of the sunglasses. They all are different and work well as per the situation. In this post, we will discuss the details about polarized lenses, which are highly demanded nowadays. Polarized lenses reduce glare substantially that other non-polarized lenses do not offer. Protection from glare is an add-on role played by polarized lenses along with protecting the eyes from bright light, harmful UVA, and UVB light. While manufacturing polarized lenses, a special chemical is applied to a standard eyeglass lens to polarize it. It’s like laminating the eyeglass surface. The lamination using a special chemical is done in a vertical pattern. The pattern blocks the horizontal light, eliminating the glare. The major difference between polarized and non-polarized lenses is images appear darker wearing the former lenses. The images are pretty clear and the details are easy to see. Not all polarized lenses are the same. Know how? At the first glance, the available polarized lens for sale looks the same. It’s very difficult to find the best and protect your eyes. So, you should take help from the retailer or optometrist before the purchase. You should know and understand how the laminate is applied to the eyewear. A cheap and poor-quality polarized lens for sale has a thin chemical laminate on one side. The thin layer provides minimal benefit and can be rubbed or scratched off easily. Also, you will find aberrations in the lenses. On the other hand, higher quality lenses have lamination between two layers of the lens material. The two-side lamination protects the lens from being scratched. The thicker the lamination film is, the more it will protect you from glare. Working of polarized lenses We said polarized lenses protect against glares. But it isn’t the only benefit that polarized lenses offer. The lenses ease eye strains from long hours in the sun. They even control or reduce the intensity of the headache due to light sensitivity. The best thing about using polarized lenses is they increase visual clarity, contrast, and acuity. With these, you can see better and make your environment enjoyable. You can even see below the surface of the water after wearing sunglasses with polarized lenses.
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