Drug – bio-affecting and body treating compositions – Designated organic active ingredient containing – Carbohydrate doai
Reexamination Certificate
2005-04-12
2005-04-12
Wilson, James O. (Department: 1623)
Drug, bio-affecting and body treating compositions
Designated organic active ingredient containing
Carbohydrate doai
C514S023000, C514S055000, C514S057000
Reexamination Certificate
active
06878694
ABSTRACT:
Compositions and methods for facilitating the formulation and closure of a corneal flap during LASIK surgery are described. The compositions and methods are based on the use of one or more viscosity-enhancing agents (e.g., chondroitin sulfate) to provide an ophthalmic irrigating solution with improved coating properties and prolonged dwelling time on the cornea, thereby providing lubrication for the microkeratome used to form the corneal flap, reduce corneal epithelial abrasions, and help to produce smooth and consistent cuts with the microkeratome blade.
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Doshi Uday
Maddox Emerson
Markwardt Kerry L.
Wang Pao-Li
Alcon Inc.
Brown Gregg C.
Krishnan Ganapathy
Wilson James O.
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