Hydrophilic contact lens made from polysiloxanes which are thermally bonded to polymerizable groups and which contain hydrophilic sidechains
AssigneeBausch & Lomb Incorporated
InventorsPhilip L. Keogh, Jay F. Kunzler, Gregory C. C. Niu
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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.
Claims29
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 polymerizable activated unsaturated groups and which contain hydrophilic sidechains is disclosed.
Dependencies are inferred from the claim text.