Contact lens and method for making the same

Details Contact lens and method for making the same Contact lens and method for making the same

1997-05-14

1998-09-29

Sugarman, Scott J.

Optics: eye examining, vision testing and correcting

Spectacles and eyeglasses

Ophthalmic lenses or blanks

351160H, 351177, G02C 704

Patent

active

058152377

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 an exponential function. Systems and methods for making such lenses are also provided.

REFERENCES:
patent: 4765728 (1988-08-01), Porat et al.
patent: 4883350 (1989-11-01), Muchenhirn
patent: 5173723 (1992-12-01), Volk
patent: 5436678 (1995-07-01), Carroll
patent: 5452031 (1995-09-01), Ducharme

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