Translating contact lens having a ramped ridge

Details Translating contact lens having a ramped ridge Translating contact lens having a ramped ridge

2005-07-26

2005-07-26

Schwartz, Jordan M (Department: 2873)

Optics: eye examining, vision testing and correcting

Spectacles and eyeglasses

Ophthalmic lenses or blanks

C351S161000, C351S177000

Reexamination Certificate

active

06921168

ABSTRACT:
The present invention provides a translating contact lens having a central axis, an anterior surface and an opposite posterior surface. The anterior surface includes an optical zone and a ramped ridge zone, which is disposed below the optical zone and capable of controlling contact lens position on an eye in primary gaze or translating amount across the eye when the eye changes from gazing at an object at a distance to gazing at an object at an intermediate distance or at a nearby object, or both.

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patent: 6109749 (2000-08-01), Bernstein
patent: 6773107 (2004-08-01), Ye et al.
patent: 2002/0021410 (2002-02-01), Ye et al.
International Search Report, completed Jan. 20, 2003.

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