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Proceedings Paper

Ray tracing for ophthalmic optics: specific developments for GRIN materials
Author(s): J. R. de F. Moneo; Ignacio Prades Juvells; Santiago Vallmitjana; Salvador Bosch; Arturo Carnicer; Ignasi Juan I. Labastida; Julio Perez-Tudela
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Paper Abstract

In this work we present the developments for the simulation of image formation through an ophthalmic lens. The procedure is, essentially an exact ray tracing taking into account the particular mobility conditions of the exit pupil. This leads to the computation of astigmatism as a function of the field angle considered. In the computer program, the use of a commercial glass with a gradient in the refractive index (GRIN material) is foreseen. This latter feature proves to be useful for two practical objectives: modifying the power and the astigmatism of the lens. To illustrate these points, an example based on a lens made by deforming a plane parallel plate of GRIN material will be presented.

Paper Details

Date Published: 2 July 1998
PDF: 6 pages
Proc. SPIE 3405, ROMOPTO '97: Fifth Conference on Optics, (2 July 1998); doi: 10.1117/12.312730
Show Author Affiliations
J. R. de F. Moneo, Univ. de Barcelona (Spain)
Ignacio Prades Juvells, Univ. de Barcelona (Spain)
Santiago Vallmitjana, Univ. de Barcelona (Spain)
Salvador Bosch, Univ. de Barcelona (Spain)
Arturo Carnicer, Univ. de Barcelona (Spain)
Ignasi Juan I. Labastida, Univ. de Barcelona (Spain)
Julio Perez-Tudela, Univ. de Barcelona (Spain)

Published in SPIE Proceedings Vol. 3405:
ROMOPTO '97: Fifth Conference on Optics
Valentin I. Vlad; Dan C. Dumitras, Editor(s)

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