Contact lenses

Details Contact lenses Contact lenses

1981-02-04

1982-06-01

Evans, F. L.

Optics: eye examining, vision testing and correcting

Spectacles and eyeglasses

Ophthalmic lenses or blanks

G02C 704

Patent

active

043324436

ABSTRACT:
A corneal lens has a substantially circular optical correction zone and one or more lugs extending therefrom for engagement with depressions on the sclera of the eyeball existing between the four ocular muscles attached thereto.

REFERENCES:
patent: 1782331 (1930-11-01), Wilhelm
patent: 3102157 (1963-08-01), Gambler
patent: 3246941 (1966-04-01), Moss
patent: 4095878 (1978-06-01), Fanti

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