Method of making an improved dyed color change contact lens

Details Method of making an improved dyed color change contact lens Method of making an improved dyed color change contact lens

1988-07-01

1990-11-20

Arnold, Bruce Y.

Optics: eye examining, vision testing and correcting

Spectacles and eyeglasses

Ophthalmic lenses or blanks

8507, G02B 704

Patent

active

049714333

ABSTRACT:
The invention discloses a method of making a soft contact lens that will change the appearance of a dark brown eye to a light blue or green. The lens is made by dying the iris area of the convex (front lens surface) the desired transparent color. A white, light reflecting compound is precipitated in the iris area of the concave lens surface. The lens is placed on the cornea of a dark colored eye and the light colored concave (back lens surface) is viewed through the transparent dyed colored convex surface providing an apparent new color to the eye.

REFERENCES:
patent: 3476499 (1969-11-01), Wichterle
patent: 3557261 (1971-01-01), Wichterle
patent: 4460523 (1984-07-01), Neefe
patent: 4733959 (1988-03-01), Claussen et al.
patent: 4903052 (1990-02-01), Neefe

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