Progressive addition lenses with adjusted image magnification

Details Progressive addition lenses with adjusted image magnification Progressive addition lenses with adjusted image magnification

2007-10-02

2007-10-02

Schwartz, Jordan M. (Department: 2873)

Optics: eye examining, vision testing and correcting

Spectacles and eyeglasses

Ophthalmic lenses or blanks

C351S159000, C351S169000

Reexamination Certificate

active

10803716

ABSTRACT:
The invention provides a method for increasing the magnification of a lens without changing the dioptric power. The method of the invention uses a measurement or an estimate of an individual's retinal function in designing the lens to provide the magnification needed by the individual without increasing the dioptric power of the individual's lens.

REFERENCES:
patent: 5162824 (1992-11-01), Klemka
patent: 5926250 (1999-07-01), Mukaiyama et al.
patent: 6019470 (2000-02-01), Mukaiyama et al.
patent: 6061189 (2000-05-01), Caplan et al.
patent: 6775060 (2004-08-01), Peli et al.
patent: 2003/0160940 (2003-08-01), Welk et al.
patent: WO 01/81985 (2001-11-01), None
Stein, Harold. A., et al., The Ophthalmic Assistant: Fundamentals and Clinical Practice, 5thed., pp. 641-648 (1988).

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