Optics: eye examining – vision testing and correcting – Spectacles and eyeglasses – Ophthalmic lenses or blanks
Patent
1988-06-01
1989-07-18
Bovernick, Rodney B.
Optics: eye examining, vision testing and correcting
Spectacles and eyeglasses
Ophthalmic lenses or blanks
350 372, 350166, G02C 710, G02C 704, G02B 528, G02B 532
Patent
active
048488941
ABSTRACT:
A contact lens is made either with a laser-reflecting or absorbing layer edded in a transparent optical lens material, or formed as a layer on the convex side of such a material. The layer may be a Fabry-Perot reflector or a thin-film or holographically formed reflective or absorptive interference filter, or an absorbing layer.
REFERENCES:
patent: 3519339 (1970-07-01), Hutchinson et al.
patent: 3701590 (1972-10-01), Zeltzer
patent: 3877797 (1975-04-01), Thornton, Jr.
patent: 4637697 (1987-01-01), Freeman
Buser Rudolph G.
Trussell C. Ward
Bovernick Rodney B.
Dunn Aubrey J.
Lane Anthony T.
Lee Milton W.
Sugarman Scott J.
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