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Ray tracing through a toric refracting surface

G A Fry, D S Loshin

American Journal of Optometry and Physiological Optics

|April 1, 1975

Abstract:

A procedure has been developed for tracing a ray through a toric refracting surface. The surface is defined in terms of a rectangular coordinate system. The ray is specified by the rectangular coordinates of a point through which it passes and its direction-cosines.

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