Optics: eye examining – vision testing and correcting – Spectacles and eyeglasses – Ophthalmic lenses or blanks
Patent
1984-12-04
1988-05-17
Corbin, John K.
Optics: eye examining, vision testing and correcting
Spectacles and eyeglasses
Ophthalmic lenses or blanks
219121LE, 219121LY, 219121LM, 351160R, 351160H, 351162, 623 6, G02C 704, A61F 216, B23K 2600
Patent
active
047446471
ABSTRACT:
A selected pattern of disruptions in the lens material of a soft or hard corneal contact lens or intraoccular lens is provided which substantially disrupts the undistorted transmisability of an image to the lens to render it semi-opaque. Preferably, these disruptions are formed by a laser beam which causes the disruptions. The pattern may be used for coding of lens prescription or the like. In another embodiment, a ring may be formed in a soft contact lens of the general shape of the cornea and colored to provide a total color change in the appearance of the iris.
REFERENCES:
patent: 3410979 (1968-11-01), Larsson
patent: 3549733 (1970-12-01), Caddell
patent: 4194814 (1980-03-01), Fischer et al.
patent: 4219721 (1980-08-01), Kamen et al.
patent: 4455893 (1984-06-01), Astero
patent: 4563565 (1986-01-01), Kampfer et al.
Butcher Robert
Fahlen Theodore
Meshel LeRoy G.
Pressley Robert J.
Corbin John K.
Lens Plus Co.
Sugarman Scott J.
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