Analysis of incidence of keratoconus in relatives of patients who underwent corneal transplant due to advanced keratoconus using the Orbscan II topographic graphs

Estela López Olazagasti; César Eduardo Hernández y del Callejo; Jorge Ibarra-Galitzia; Gustavo Ramírez-Zavaleta; Eduardo Tepichín

doi:10.1117/12.906760

14 October 2011 Analysis of incidence of keratoconus in relatives of patients who underwent corneal transplant due to advanced keratoconus using the Orbscan II topographic graphs

Estela López Olazagasti, César Eduardo Hernández y del Callejo, Jorge Ibarra-Galitzia, Gustavo Ramírez-Zavaleta, Eduardo Tepichín

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Proceedings Volume 8287, Eighth Symposium Optics in Industry; 828705 (2011) https://doi.org/10.1117/12.906760
Event: Eighth Symposium Optics in Industry, 2011, Toluca de Lerdo, Mexico

Abstract

Keratoconus is a corneal disease in which the cornea assumes a conical shape due to an irregular alteration of the internal structure of the corneal tissue and sometimes is progressive, especially in young people. Anatomically, the main signs of keratoconus are thinning of the cornea in its central or paracentral region, usually accompanied by an increase in this part of a high irregular astigmatism, with a consequent loss of vision. Its diagnosis requires a thorough study including the family history, a complete ophthalmologic examination and imaging studies. This diagnosis allows classifying the type of keratoconus, which allow determining options of management, with what it is possible to establish a visual prognosis of each eye. One of the indicators that help in the diagnosis of keratoconus is an inherited familiar propensity. The literature reports an incidence of keratoconus of 11%¹ in first-degree relatives of patients with keratoconus. Results suggest an ethnic dependence, which implies that the knowledge of the tendency of keratoconus in the Mexican population is important. In this work, we present the preliminary results of the study realized to a group of relatives of patients who underwent corneal transplant by advanced keratoconus using Orbscan II topographic diagnosis, to determine the predisposition to Keratoconus in this group.e<a

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Estela López Olazagasti, César Eduardo Hernández y del Callejo, Jorge Ibarra-Galitzia, Gustavo Ramírez-Zavaleta, and Eduardo Tepichín "Analysis of incidence of keratoconus in relatives of patients who underwent corneal transplant due to advanced keratoconus using the Orbscan II topographic graphs", Proc. SPIE 8287, Eighth Symposium Optics in Industry, 828705 (14 October 2011); https://doi.org/10.1117/12.906760

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KEYWORDS

Cornea

Eye

Surgery

Monochromatic aberrations

Statistical analysis

Visualization

Lenses

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