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Proceedings Paper

Ray tracing through progressive ophthalmic lenses
Author(s): Bernard Bourdoncle; J. P. Chauveau; Jean-Louis Michel Mercier
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Paper Abstract

Ray-tracing through Progressive Addition Lenses (PAL) has been performed. PAL is a deep non rotationally symmetric asp1ric lens used for the compensation of presbyopia. PAL and its mathematical model are presented. The special features of the ray-tracing program due to the model of the lens plus eye system are detailed. Typical results are presented showing in particular that computing conditions of contour-plots of power and astigmatism must be very strict and that coma must be taken into account for precise measurements of PAL. 1.

Paper Details

Date Published: 1 January 1991
PDF: 6 pages
Proc. SPIE 1354, 1990 Intl Lens Design Conf, (1 January 1991); doi: 10.1117/12.47929
Show Author Affiliations
Bernard Bourdoncle, Essilor International (France)
J. P. Chauveau, Essilor International (France)
Jean-Louis Michel Mercier, Essilor International (France)

Published in SPIE Proceedings Vol. 1354:
1990 Intl Lens Design Conf
George N. Lawrence, Editor(s)

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