Optics: eye examining – vision testing and correcting – Spectacles and eyeglasses – Ophthalmic lenses or blanks
Patent
1978-10-10
1979-08-07
Corbin, John K.
Optics: eye examining, vision testing and correcting
Spectacles and eyeglasses
Ophthalmic lenses or blanks
351160R, G02C 704
Patent
active
041636090
ABSTRACT:
A contact lens material, the surface of which is self cleaning of organic debris, by changing the surface charge from a natural anionic positive charge which attract debris to a cationic negative charge which repels debris..
REFERENCES:
patent: 3963662 (1976-06-01), Fujiwara et al.
patent: 4097657 (1978-06-01), Sieglaff et al.
Corbin John K.
Sugarman Scott J.
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