Evaluation of a human corneal surface with the null-screen method

Victor de Emanuel Armengol-Cruz; Manuel Campos-García; Cesar Cossio-Guerrero

doi:10.1117/12.2270042

26 June 2017 Evaluation of a human corneal surface with the null-screen method

Victor de Emanuel Armengol-Cruz, Manuel Campos-García, Cesar Cossio-Guerrero

Proceedings Volume 10330, Modeling Aspects in Optical Metrology VI; 103300Q (2017) https://doi.org/10.1117/12.2270042
Event: SPIE Optical Metrology, 2017, Munich, Germany

Abstract

In this work, we design a conical null-screen for testing non-symmetric corneas. We proposed a custom evaluation algorithm in order to calculate the shape of the corneal surface. This data is fitting to a custom non-symmetrical shape surface, taking into account orthogonal polynomials, in order to obtain the geometrical parameters such as the radius of curvature and conical constant. In order to proof our proposal, we perform some corneal topography measurements.

Citation Download Citation

Victor de Emanuel Armengol-Cruz, Manuel Campos-García, and Cesar Cossio-Guerrero "Evaluation of a human corneal surface with the null-screen method", Proc. SPIE 10330, Modeling Aspects in Optical Metrology VI, 103300Q (26 June 2017); https://doi.org/10.1117/12.2270042

ACCESS THE FULL ARTICLE

INSTITUTIONAL
Select your institution to access the SPIE Digital Library.

SELECT YOUR INSTITUTION

PERSONAL
Sign in with your SPIE account to access your personal subscriptions or to use specific features such as save to my library, sign up for alerts, save searches, etc.

PERSONAL SIGN IN

No SPIE Account? Create one

PURCHASE THIS CONTENT

SUBSCRIBE TO DIGITAL LIBRARY

50 downloads per 1-year subscription

Members: $195

Non-members: $335 ADD TO CART

25 downloads per 1 - year subscription

Members: $145

Non-members: $250 ADD TO CART

PURCHASE SINGLE ARTICLE

Includes PDF, HTML & Video, when available