Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Jens Hopken0
John Court0
Judy Smith Riffle0
Jurgen Vogt0
Klaus Schindhelm0
Lynn Cook Winterton0
Paul Clement Nicolson0
Peter Chabrecek0
...
Date of Patent
April 9, 2013
Patent Application Number
12794333
Date Filed
June 4, 2010
Patent Citations Received
...
Patent Primary Examiner
Patent abstract
An ophthalmic lens suited for extended-wear periods of at least one day on the eye without a clinically significant amount of corneal swelling and without substantial wearer discomfort. In one embodiment, an ophthalmic lens is a copolymerization product of at least one oxyperm, at least one ionoperm, and a crosslinker. In one embodiment, a lens has a tensile modulus of less than about 3.0 MPa, yet in another embodiment, the tensile modulus is between about 0.5 to about 1.5 MPa.
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