Multifocal lens utilizing rapid power shift transition zone

Details Multifocal lens utilizing rapid power shift transition zone Multifocal lens utilizing rapid power shift transition zone

1996-11-08

1998-05-19

Font, Frank G.

Optics: eye examining, vision testing and correcting

Spectacles and eyeglasses

Ophthalmic lenses or blanks

G02C 704

Patent

active

057542708

ABSTRACT:
In accordance with the disclosure there is described herein a simultaneous vision lens that incorporates both continuous aspheric and concentric bifocal optics into a single optical lens that may be configured as a contact lens or an intraocular lens.

REFERENCES:
patent: 5056908 (1991-10-01), Cohen
patent: 5125729 (1992-06-01), Mercure
patent: 5158572 (1992-10-01), Nielsen
patent: 5225858 (1993-07-01), Portney
patent: 5608471 (1997-03-01), Miller
patent: 5650837 (1997-07-01), Roffman et al.

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