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Lens Care Solutions with Hyaluronic Acid

  • US 20100178317A1
  • Filed: 01/08/2010
  • Published: 07/15/2010
  • Est. Priority Date: 01/09/2009
  • Status: Abandoned Application
First Claim
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1. A method for improving the retention of hyaluronic acid on a surface of a contact lens, the method comprising:

  • providing a contact lens care solution comprising;

    0.005 wt. % to 0.05 wt. % of hyaluronic acid in a borate containing buffer, and 0.01 wt. % to 1.0 wt. % of an amphoteric surfactant of general formula I wherein R′

    is a C8-C16alkyl optionally substituted with hydroxyl;

    R2 and R3 are each independently selected from methyl, ethyl, propyl or iso-propyl; and

    R4 is a C2-C8alkylene optionally substituted with hydroxyl; and

    soaking the contact lens in the contact lens care solution for at least two hours prior to placement of the contact lens in an eye.

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