Contact lenses having specially profiled cross sections

Details Contact lenses having specially profiled cross sections Contact lenses having specially profiled cross sections

1978-10-25

1980-12-16

Corbin, John K.

Optics: eye examining, vision testing and correcting

Spectacles and eyeglasses

Ophthalmic lenses or blanks

G02C 704

Patent

active

042393531

ABSTRACT:
An optical contact lens having a central optical portion and outer peripheral portion terminating in an edge having an acute angle. The thickness of the lens is greatest in the central optical portion and in the peripheral portion possesses the least thickness of the lens along a circumferential line approximately positioned adjacent the limbus of the eyeball to permit the lens to automatically adapt to various shapes of individuals.

REFERENCES:
patent: 4084890 (1978-04-18), Baron
Encyclopedia of Contact Lens Practice; Sep. 1, 1960, Chapter XIII, p. 56 (FIG. 50).

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