Ophthalmic optical element incorporating a holographic element a

Details Ophthalmic optical element incorporating a holographic element a Ophthalmic optical element incorporating a holographic element a

1998-11-13

2000-10-31

Sugarman, Scott J.

Optics: eye examining, vision testing and correcting

Spectacles and eyeglasses

Ophthalmic lenses or blanks

351159, 351161, 351168, 351177, 359 19, G02C 704, G02C 706, G02B 532

Patent

active

06139145&

ABSTRACT:
A method of correcting vision defects associated with central field loss. The method is effected by passing light arriving at a retina of an eye through an image deflection ophthalmic optical element including a lens body, the lens body including a lens portion for focusing light entering the eye and a prismatic holographic element being in context with the lens portion, the prismatic holographic element being for deflecting the light entering the eye to off a center of the retina.

REFERENCES:
patent: 4642112 (1987-02-01), Freeman
patent: 5100226 (1992-03-01), Freeman
patent: 5760871 (1998-06-01), Kosoburd et al.
patent: 5997140 (1999-12-01), Zhang et al.

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