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Hydrophilic contact lens made from polysiloxanes which are thermally bonded to polymerizable groups and which contain hydrophilic sidechains

  • US 4,260,725 A
  • Filed: 12/10/1979
  • Issued: 04/07/1981
  • Est. Priority Date: 12/10/1979
  • Status: Expired due to Term
First Claim
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1. 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 α



  • terminally bonded through divalent hydrocarbon groups to polymerizable activated unsaturated groups and which contain hydrophilic sidechains is disclosed.

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