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Conferences > LAOP > 2014 > LTh4A > LTh4A.45

Accuracy Test for a Corneal Topographer Based on Null-Screen Method: Preliminary Results

Amilcar Estrada-Molina and Rufino Díaz-Uribe

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Abstract

The accuracy test of a corneal topographer based on null-screen method is presented. This accuracy test is conducted by testing a calibration sphere. The accuracy found was of 5.8 µm for differences of elevation; 75 µm and 81 µm for sagittal and meridional radii.

© 2014 Optical Society of America

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