Method and composition for reducing contact lens swelling

Details Method and composition for reducing contact lens swelling Method and composition for reducing contact lens swelling

2006-05-02

2006-05-02

Mruk, Brian P. (Department: 1751)

Chemical apparatus and process disinfecting, deodorizing, preser

Process disinfecting, preserving, deodorizing, or sterilizing

Using disinfecting or sterilizing substance

C510S112000, C510S413000, C510S421000, C510S475000, C134S042000

Reexamination Certificate

active

07037469

ABSTRACT:
The present invention is directed to an ophthalmic solution for soft contact lenses for controlled release of polyethers into an eye's tear film. Polyether components of the subject solution are released from the soft contact lens material matrix over long time periods to produce longer lasting wetting performance, improved lubricity, improved end-of-the-day comfort and reduced feeling of dryness from wearing contact lenses. The present invention also includes the use of cationic polyelectrolytes for controlling the swelling of hydrogel contact lenses typically caused by the absorption of high concentrations of polyethers.

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