Invention Grant
- Patent Title: Extended wear ophthalmic lens
- Patent Title (中): 延长佩戴眼科镜片
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Application No.: US12794333Application Date: 2010-06-04
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Publication No.: US08415404B2Publication Date: 2013-04-09
- Inventor: Paul Clement Nicolson , Richard Carlton Baron , Peter Chabrecek , John Court , Angelika Domschke , Hans Jorg Griesser , Arthur Ho , Jens Hopken , Bronwyn Glenice Laycock , Qin Liu , Dieter Lohmann , Gordon Francis Meijs , Eric Papaspiliotopoulos , Judy Smith Riffle , Klaus Schindhelm , Deborah Sweeney , Wilson Leonard Terry, Jr. , Jurgen Vogt , Lynn Cook Winterton
- Applicant: Paul Clement Nicolson , Richard Carlton Baron , Peter Chabrecek , John Court , Angelika Domschke , Hans Jorg Griesser , Arthur Ho , Jens Hopken , Bronwyn Glenice Laycock , Qin Liu , Dieter Lohmann , Gordon Francis Meijs , Eric Papaspiliotopoulos , Judy Smith Riffle , Klaus Schindhelm , Deborah Sweeney , Wilson Leonard Terry, Jr. , Jurgen Vogt , Lynn Cook Winterton
- Applicant Address: US GA Duluth
- Assignee: Ciba Vision Corporation
- Current Assignee: Ciba Vision Corporation
- Current Assignee Address: US GA Duluth
- Agency: Banner & Witcoff, Ltd.
- Priority: EP95810221 19950404; CH1496/95 19950519
- Main IPC: G02B1/04
- IPC: G02B1/04
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.
Public/Granted literature
- US20100238398A1 Extended Wear Ophthalmic Lens Public/Granted day:2010-09-23
Information query
