Multifocal contact lens

Details Multifocal contact lens Multifocal contact lens

1993-04-26

1995-04-18

Sugarman, Scott J.

Optics: eye examining, vision testing and correcting

Spectacles and eyeglasses

Ophthalmic lenses or blanks

359569, 359573, 359652, 359654, 623 5, 623 6, G02C 704, G02B 518, A61F 214, A61F 216

Patent

active

054082811

ABSTRACT:
A multifocal ophthalmic lens has a spiral-like pattern on its surface in an area overlying the cornea of a wearer of the lens. The spiral-like pattern is capable of providing a plurality of different dioptric powers.

REFERENCES:
patent: 4889421 (1989-12-01), Cohen
patent: 5009497 (1991-04-01), Cohen
patent: 5071207 (1991-12-01), Ceglio
patent: 5120120 (1992-06-01), Cohen

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