Toric lens design

Details Toric lens design Toric lens design

2011-01-11

2011-01-11

Sugarman, Scott J (Department: 2873)

Optics: eye examining, vision testing and correcting

Spectacles and eyeglasses

Ophthalmic lenses or blanks

C351S16000R, C351S177000

Reexamination Certificate

active

07866814

ABSTRACT:
This invention is related to contact lenses. In particular, the present invention is related to a toric contact lens design with thickness zones in the carrier portion of the lens for increased rotational stability.

REFERENCES:
patent: 5020898 (1991-06-01), Townsley
patent: 6467903 (2002-10-01), Back
patent: 6595640 (2003-07-01), Jubin
patent: 2004/011989 (2004-02-01), None
patent: 2004/015480 (2004-02-01), None
International Search Report for PCT/EP2006/001549 May 26, 2006.

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