Hydrophilic contact lens made from polysiloxanes which are thermally bonded to polymerizable groups and which contain hydrophilic sidechains
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United States of America Patent
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Apr 7, 1981
Grant Date -
N/A
app pub date -
Dec 10, 1979
filing date -
Dec 10, 1979
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A water absorbing, soft, hydrophilic, flexible, hydrolytically stable, biologically inert contact lens with the capability of transporting oxygen sufficiently to meet the requirements of the human cornea comprising a polysiloxane which is .alpha.,.omega. terminally bonded through divalent hydrocarbon groups to polymerizably activated unsaturated groups and which contain hydrophilic sidechains is disclosed.
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