Method of selectively tinting soft contact lenses

Details Method of selectively tinting soft contact lenses Method of selectively tinting soft contact lenses

1982-08-30

1984-05-08

Hoffman, James R.

Coating processes

Optical element produced

Transparent base

8507, B05D 128, B05D 704, G02B 300, G02B 110

Patent

active

044474741

ABSTRACT:
A method of tinting specific areas of soft contact lenses by placing the dye in a dye carrier made of a porous material of the size and shape of the area to be tinted. The soft lens is placed on the dye carrier and absorbs the dye in the selected pattern.

REFERENCES:
patent: 4157892 (1979-06-01), Tanaka et al.
patent: 4329378 (1982-05-01), Tarumi et al.

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