Bausch-lomb Incorporated

Joseph A Chinn

George L Grobe, Iii

X Michael Liu

E Peter Maziarz

Method for minimizing the sorption of tear lipids on frequent replacement, or extended-wear, contact lenses, the method comprising (a) contacting the contact lens selected from the group consisting of senofilcon A, lotrafilcon A, lotrafilcon B, and comfilcon A B with a lens care solution for a period of at least three hours to minimize the accumulation of tear lipids on the contact lens. The lens care solution comprises 0.5 ppm to 10 ppm &#x3b1;-[4-tris(2-hydroxyethyl)-ammonium chloride-2-butenyl]poly[1-dimethyl ammonium chloride-2-butenyl]-&#x3c9;-tris(2-hydroxyethyl) ammonium chloride; citrate, citric acid or a mixture thereof; and 0.005 wt. % to 0.05 wt. % hyaluronic acid. The method also includes (b) inserting the soaked contact lens into one's eye, and (c) repeating steps (a) and (b).

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Lafayette, CO, United States of America

Joseph A Chinn