Wettable, flexible, oxygen permeable contact lens containing blo

Details Wettable, flexible, oxygen permeable contact lens containing blo Wettable, flexible, oxygen permeable contact lens containing blo

1989-04-24

1991-12-03

Marquis, Melvyn I.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

From silicon reactant having at least one...

528 26, 528 28, 528 29, 556414, 556421, 556437, 556438, C08G 7704

Patent

active

050701690

ABSTRACT:
Contact lenses which are optically clear, wettable, flexible, and of high oxygen permeability in the aqueous ocular environment of use, of a block copolymer containing polysiloxane and polyoxyalkylene oxide units are disclosed, as well as the preparation thereof and methods of treating vision defects therewith.

REFERENCES:
patent: 4740533 (1988-04-01), Su et al.
patent: 4859780 (1989-08-01), Molock et al.
patent: 4921956 (1990-05-01), Molock et al.

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