Opaque tinting process for contact lens

Details Opaque tinting process for contact lens Opaque tinting process for contact lens

1985-09-20

1987-01-06

Clingman, A. Lionel

Bleaching and dyeing; fluid treatment and chemical modification

Nontextile, dyeing process or product, including inorganic...

Contact lens

8621, 8651, D06P 500

Patent

active

046344497

ABSTRACT:
A method is provided for tinting a hydrogel contact lens whereby the tinting effect is not appreciably affected by the underlying color of the iris of the wearer's eyes.

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patent: 4518390 (1985-05-01), Rabenau et al.
patent: 4582402 (1986-04-01), Knapp

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