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Phosphine-containing hydrogel contact lenses

  • US 9,864,103 B2
  • Filed: 01/20/2014
  • Issued: 01/09/2018
  • Est. Priority Date: 02/28/2011
  • Status: Active Grant
First Claim
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1. A method of manufacturing a hydrogel contact lens, comprising:

  • providing a polymerizable composition comprising(a) at least one hydrophilic monomer, and(b) at least one phosphine-containing compound, wherein the at least one phosphine-containing compound is present in an unoxidized form at the time it is combined with the at least one hydrophilic monomer in the polymerizable composition, and(c) at least one thermal initiator, wherein (b) and (c) are different from each other; and

    (d) thermally curing the polymerizable composition to form a polymeric lens body.

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