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Materials for use in ophthalmic applications and methods

  • US 8,646,907 B2
  • Filed: 09/21/2010
  • Issued: 02/11/2014
  • Est. Priority Date: 09/22/2009
  • Status: Active Grant
First Claim
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1. A method of manufacturing a hydrogel contact lens body, comprising:

  • providing a lens body comprising at least one form of boronic acid, boronic ester, boronic anhydride or combination thereof; and

    contacting the lens body with a contacting solution comprising at least one form of tris(hydroxymethyl)aminomethane (TRIS), and a form of poly(vinyl alcohol) (PVOH), wherein the at least one form of TRIS is present in the solution at a concentration effective to prevent gelation of the form of PVOH.

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