Corneal topography using dynamic point shifting method in quadrangular OLED´s prism

M. I. Rodriguez-Rodríguez; Carlos Enrique Valderrama Juárez; Juan Ricardo Damián Zamacona; R. Díaz-Uribe

doi:10.1117/12.2633220

3 October 2022 Corneal topography using dynamic point shifting method in quadrangular OLED´s prism

M. I. Rodriguez-Rodríguez, Carlos Enrique Valderrama Juárez, Juan Ricardo Damián Zamacona, R. Díaz-Uribe

Author Affiliations +

Proceedings Volume 12221, Optical Manufacturing and Testing XIV; 122211C (2022) https://doi.org/10.1117/12.2633220
Event: SPIE Optical Engineering + Applications, 2022, San Diego, California, United States

Conference Poster

Abstract

A practical implementation of the dynamic point shifting method as a corneal topographer is presented. A quadrangular OLED´s prism setup allows to change the target at will. This device has several advantages over the traditional commercial topographers using static target as those based in Placido disk. The target is displayed on the OLED screens as an image, by changing the image it is possible to change the spots position, but also, different targets can be used, for instance; B&W positive or negative, different colored targets, with square or radial arrays of spots, among other possibilities. Results of measurements obtained with calibration spheres as well as the first report of the qualitative evaluation of a corneal surface of a human volunteer using this device are presented.

Conference Presentation

Citation Download Citation

M. I. Rodriguez-Rodríguez, Carlos Enrique Valderrama Juárez, Juan Ricardo Damián Zamacona, and R. Díaz-Uribe "Corneal topography using dynamic point shifting method in quadrangular OLED´s prism", Proc. SPIE 12221, Optical Manufacturing and Testing XIV, 122211C (3 October 2022); https://doi.org/10.1117/12.2633220

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