Optical elements with a gap between two lens materials

Details Optical elements with a gap between two lens materials Optical elements with a gap between two lens materials

2011-05-31

2011-05-31

Stultz, Jessica T (Department: 2873)

Optics: eye examining, vision testing and correcting

Spectacles and eyeglasses

Ophthalmic lenses or blanks

C359S741000, C351S177000

Reexamination Certificate

active

07950799

ABSTRACT:
The present invention provides an ophthalmic lens comprised of two lens materials with a gap between them of less than about 5 mm. The gap is formed and maintained by particles on the perimeter of the surfaces of both lens materials. Methods are also provided for creating a gap between two lens materials and for producing an ophthalmic lens with a gap between two lens materials.

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