Contact lens with controlled shape

Details Contact lens with controlled shape Contact lens with controlled shape

2007-11-20

2007-11-20

Sugarman, Scott J. (Department: 2873)

Optics: eye examining, vision testing and correcting

Spectacles and eyeglasses

Ophthalmic lenses or blanks

Reexamination Certificate

active

11257981

ABSTRACT:
A contact lens including a single component lens sized and dimensioned for placement on a cornea of an eye. The single component lens includes a first base curve for the back surface of the single component lens, wherein the first base curve is associated with the first sub-axis; a second base curve for the back surface, wherein the second base curve is associated with the second sub-axis; a third base curve for back surface, wherein the third base curve is associated with the third sub-axis; and a fourth base curve for the back surface, wherein the fourth base curve is associated with the fourth sub-axis. The first base curve, the second base curve, the third base curve, and the fourth base curve are selected to form a shape for the back surface of the single component lens that conforms to a measured shape of the cornea.

REFERENCES:
patent: 6082856 (2000-07-01), Dunn et al.
patent: 6406145 (2002-06-01), Jubin
patent: 6808262 (2004-10-01), Chapoy et al.
patent: 6896368 (2005-05-01), Baugh
patent: 6902273 (2005-06-01), Suzaki et al.
patent: 2005/0146678 (2005-07-01), Chou et al.

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