Bi-focal corneal lens and method of making the same

Details Bi-focal corneal lens and method of making the same Bi-focal corneal lens and method of making the same

G - Physics

02

C

26/197, 88/40

G02C 7/04 (2006.01)

Patent

CA 1265688

ABSTRACT OF THE DISCLOSURE A bi-focal corneal lens of uniform index of refraction, which is self-orienting, which is cut on a lathe with a lenticular attachment, so that the various curves can be cut in a minimum of passes. Mathematical equations are furnished to be fed to a comptuer, which calculates the parameters of the various curves in ac- cordance with the data furnished by the optician, so as to provide a lens with a maximal optical zone and a minimal thickness.

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