Minimizing biological lipid deposits on contact lenses

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United States of America Patent

PATENT NO 9943622
SERIAL NO

14427928

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Abstract

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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 α-[4-tris(2-hydroxyethyl)-ammonium chloride-2-butenyl]poly[1-dimethyl ammonium chloride-2-butenyl]-ω-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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Patent Owner(s)

  • BAUSCH & LOMB INCORPORATED

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Chinn, Joseph A Lafayette, US 24 1465
Grobe,, III George L Ontario, US 8 6
Liu, X Michael Pittsford, US 11 49
Maziarz, E Peter Brockport, US 2 0

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