Optics: eye examining – vision testing and correcting – Spectacles and eyeglasses – Ophthalmic lenses or blanks
Patent
1995-05-31
1998-05-26
Nelms, David C.
Optics: eye examining, vision testing and correcting
Spectacles and eyeglasses
Ophthalmic lenses or blanks
351164, 351165, 351166, 359721, G02C 706, G02C 710, G02C 702, G02B 310
Patent
active
057574596
ABSTRACT:
A multi-focal lens with both a power portion and a functional portion where the power portion imparts a majority of the optical power and magnification characteristics to the multi-focal lens and has a front side with both a main focal surface and a secondary focal surface that is recessed relative to the main focal surface and where the functional portion has a rear side that is shaped like the front side of the power portion with the rear side of the functional portion being affixed to the front side of the power portion.
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Bhalakia Sujal N.
Moravec Thomas J.
Nelms David C.
Schwartz Jordan M.
Vision--Ease Lens, Inc.
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