Optics: eye examining – vision testing and correcting – Spectacles and eyeglasses – Ophthalmic lenses or blanks
Patent
1997-06-25
1999-11-02
Epps, Georgia
Optics: eye examining, vision testing and correcting
Spectacles and eyeglasses
Ophthalmic lenses or blanks
351160H, 351177, G02C 704
Patent
active
059756942
ABSTRACT:
The present invention relates to a contact lens having a back side comprising a central zone and a peripheral zone located about the central zone, wherein the peripheral zone has a surface defined by at least one of a sine or cosine function. Systems and methods for making such lenses are also provided.
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patent: 5650838 (1997-07-01), Roffman et al.
Bausch & Lomb Incorporated
Epps Georgia
Konkol Chris P.
Schwartz Jordan M.
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