Wettable, flexible, oxygen permeable contact lens containing block copolymer polysiloxane-polyoxyalkylene backbone units and use thereof
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United States of America Patent
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Dec 3, 1991
Issued Date -
N/A
app pub date -
Apr 24, 1989
filing date -
Feb 26, 1988
priority date (Note) -
Expired
status (Latency Note)
Importance
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.
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