Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Wolfgang Widera0
Frank J. Holly0
Joel S. Echols0
Date of Patent
July 20, 2010
0Patent Application Number
106885390
Date Filed
October 17, 2003
0Patent Primary Examiner
Patent abstract
An artificial tear film over the surface of an eye having a first layer in direct contact with the ocular surface, an aqueous layer over the first layer, and a layer of a phospholipid over the aqueous layer. The first layer has polyvinyl alcohol, polyvinyl acetate, and polyvinyl pyrrolidone. The phospholipid is derived from Amisol® Clear. The artificial tear film is effective in significantly prolonging the tear break up time in patients with dry eye syndrome.
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