Pinhole lens and contact lens

Details Pinhole lens and contact lens Pinhole lens and contact lens

1997-06-30

1999-11-09

Sugarman, Scott J.

Optics: eye examining, vision testing and correcting

Spectacles and eyeglasses

Ophthalmic lenses or blanks

351161, 351177, 359738, G02C 704

Patent

active

059800402

ABSTRACT:
A contact lens comprising an optically transparent lens body having a concave surface adapted to the patient's eye curvature and a convex surface. The lens has three regions: (1) an annular region of a first optical power; (2) at the center of said annular region, which is also at the optical center of said lens, a substantially pinhole-like aperture; and (3) a second larger annular region exterior to the first annular region.

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Archives of Ophthalmology, Peter Zacharia, David Miller, MD "Holes in Clear Lenses Demonstrate a Pinhole Effect," vol. 108, (Apr. 1988).

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