Contact lenses

Details Contact lenses Contact lenses

1973-05-23

1976-08-10

Rubin, David H.

Optics: eye examining, vision testing and correcting

Spectacles and eyeglasses

Ophthalmic lenses or blanks

351161, G02C 704

Patent

active

039738370

ABSTRACT:
A contact lens made of a relatively hard, non-hydrophilic material, arranged to re-surface the major portion of the cornea of the eye, said lens being provided with a liner made of a hydrophilic material which is arranged to cover a portion of the lens, so that only the hydrophilic liner comes in contact with the eye.

REFERENCES:
patent: 2117770 (1938-05-01), Row
patent: 2241415 (1941-05-01), Moulton
patent: 2247628 (1941-07-01), Beitel
patent: 2369758 (1945-02-01), Sheldon
patent: 2393266 (1946-01-01), Riddell
patent: 3102157 (1963-08-01), Gamber
patent: 3220960 (1965-11-01), Wichterle et al.
patent: 3270099 (1966-08-01), Camp
patent: 3472581 (1969-10-01), Bronstein
patent: 3485244 (1969-12-01), Rosen
patent: 3488111 (1970-01-01), Isen
patent: 3489491 (1970-01-01), Creighton
patent: 3619044 (1971-11-01), Kamath

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