SCO r e v i s t a
Sociedad Colombiana de Oftalmología Journal of the Colombian Society of Ophthalmology Volume 41 Issue 3 pages 641 - 730 July - September 2008 Founded by Eduardo Arenas A , Mario Ortiz G , Mario Hoyos B. in 1969 Published four times a year Editor Carlos A. Medina, MD Asistente de Edición Jose David Paulo, MD Comité Editorial Marcela Arango Marcel Avila Giovanni Castaño Juan Andrés Delgado Zoilo Cuellar Gerson López Pedro Ivan Navarro Juan Guillermo Ortega Andrés Rosas Revisores Juan Carlos Abad Gustavo Alvira Natalia Villate Fernando Peña Federico Vélez Tommy Starck Sandra Montezuma Fernando Ussa Diseño: Jaime Villamarín O. Impresión: Molher Impresores LTDA. Calle 94A No. 58-13 PBX 2568080 5336880 Fax 533 0840 Bogotá, Colombia Sociedad Colombiana de Oftalmología Calle 98 No. 21-36 Oficina 701 Tels.: 635 1592 - 635 1598 Web site : www.socoftal.com E-mail : revistasco@socoftal.com Bogotá, Colombia Executive Board of the Colombian Society of Ophthalmology 2008-2010 President Gabriel Enrique Ortiz Arismendi, MD Vicepresidente John Jairo Aristizabal Gómez, MD Executive Secretary Alfonso Ucros Cuellar, MD Fiscal Jaime Velásquez O’byrne, MD Treasurer Juan Manuel Pardo Muñoz, MD Vocal Roberto Baquero H., MD Carlos Alberto Restrepo P., MD José Carlos Lora Martinleyes, MD Elect President 2008-2010 Hector Fernando Gómez Goyeneche, MD
Colombian Society of Ophthalmology Associations Glaucoma Colombian Group (GLAUCOMA COLOMBIA) President: Fernando Gómez Goyeneche Colombian of Retina and Vitreous Association (ACOREV) President: Andrés Reyes Colombian of Pediatrics Ophthalmology and Strabismus Association (ACOPE) President: Juan Carlos Serrano Camacho Colombian Cornea and Refractive Surgery Association (ASOCORNEA) President: Eduardo Arenas Colombian Oculoplastic, Ortbit and Tumors Association (ACPO) President: Juanita Carvajal Puyana Colombian Cataract and Refractive Association (ASOCCYR) President: Virgilio Galvis Colombian Blindness Prevention Association (ASOPREC) President: Luis José Escaf Jaraba GENERAL INFORMATION The Revista S.C.O. (Colombian Ophthalmology Society Journal) publishes original articles, reviews and case reports in ophthalmology or related to it according to the academic or guild interests of the Colombian Ophthalmology Society. The Journal started in 1969 and is a quarterly publication: JanMarch/April-June/July-September/October-Dec. Its 1.000 issues are distributed freely to all Ophthalmologists members of the S.C.O. and to those entities (companies, universities, clinics and hospitals) appointed by the Board of Directors of the S.C.O. or by the Editorial Council. There is a web page as well: http://www.socoftal.com/. The Editors reserve the right to turn down any advertisement for any reason whatsoever. The publisher is solely responsible for the guidelines. The publisher must compensate the Journal in the case of losses, expenditures, claims or problems arising from advertising, which must comply with the relevant rules and regulations. Indexed by : Indice Latinoamericano de Revistas Científicas y Tecnológicas – LATINDEX, (www.latindex.unam.mx) Indice Nacional de Publicaciones Seriadas Científicas y Tecnológicas Colombianas PUBLINDEX categoría C. (www.colcienciencias.gov.co/divulgacion/publindex.html).