| US 7,468,398 B2 | ||
| Extended wear ophthalmic lens | ||
| Paul Clement Nicolson, Dunwoody, Ga. (US); Richard Carlton Baron, Alpharetta, Ga. (US); Peter Chabrecek, Riehen (Switzerland); John Court, Ultimo (Australia); Angelika Domschke, Duluth, Ga. (US); Hans Jorg Griesser, The Patch (Australia); Arthur Ho, Randwick (Australia); Jens Hopken, Lorrach (Germany); Bronwyn Glenice Laycock, Heidelberg Heights (Australia); Qin Liu, Corvallis, Oreg. (US); Dieter Lohmann, Munchenstein (Switzerland); Gordon Francis Meijs, Murrumbeena (Australia); Eric Papspiliotopoulos, Paddington (Australia); Judy Smith Riffle, Blacksburg, Va. (US); Klaus Schindhelm, Cherrybrook (Australia); Deborah Sweeney, Roseville (Australia); Wilson Leonard Terry, Jr., Gainesville, Fla. (US); Jurgen Vogt, Duluth, Ga. (US); and Lynn Cook Winterton, Alpharetta, Ga. (US) | ||
| Assigned to CIBA Vision Corporation, Duluth, Ga. (US) | ||
| Filed on Jun. 07, 2005, as Appl. No. 11/146,586. | ||
| Application 09/108714 is a division of application No. 08/682452, filed on Jul. 17, 1996, granted, now 5,849,811. | ||
| Application 08/682452 is a division of application No. 08/569816, filed on Dec. 08, 1995, granted, now 5,760,100. | ||
| Application 11/146586 is a continuation of application No. 09/640526, filed on Aug. 17, 2000, granted, now 6,951,894. | ||
| Application 09/640526 is a continuation of application No. 09/262542, filed on Mar. 04, 1999, abandoned. | ||
| Application 09/262542 is a continuation of application No. 09/108714, filed on Jul. 01, 1998, granted, now 5,965,631. | ||
| Application 08/569816 is a continuation in part of application No. 08/301166, filed on Sep. 06, 1994, abandoned. | ||
| Claims priority of application No. 95810221 (EP), filed on Apr. 04, 1995; and application No. 1496/95 (CH), filed on May 19, 1995. | ||
| Prior Publication US 2005/0228065 A1, Oct. 13, 2005 | ||
| Int. Cl. C08F 290/06 (2006.01) | ||
| U.S. Cl. 523—107 [523/106; 523/108] | 12 Claims |
| 1. A contact lens comprising a polymeric material formed from a prepolymerization mixture including:
(a) at least one siloxane-containing macromer, wherein said at least one siloxane-containing macromer comprises at least two
different hydrophilic groups and a poly(disubstituted siloxane) segment, wherein said hydrophilic groups are selected from
the group consisting of polyoxyethylene, urethane, urea, amide, amine, hydroxyl and combinations thereof;
(b) at least one hydrophilic monomer selected from the group consisting of N, N-dimethylacrylamide, hydroxyl-substituted C1-C6 alkylacrylate, hydroxyl-substituted C1-C6 alkylmethacrylate, N-vinylpyrrolidone, and combinations thereof; and
(c) a cross-linking agent,
the contact lens characterized by having a tensile modulus of less than about 3.0 MPa and producing less than 10% corneal
swelling after a period of wear of 7 days including normal sleep periods.
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