CONTACT LENSES COMPRISING WATER SOLUBLE N-(2 HYDROXYALKYL) (METH)ACRYLAMIDE POLYMERS OR COPOLYMERS
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Abstract
The present invention relates to biomedical devices, and particularly contact lenses comprising a polymer having entangled therein at least one polymer comprising repeating units from N-(2-hydroxyalkyl)(meth)acrylamide.
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Citations
56 Claims
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1-26. -26. (canceled)
- 27. A method comprising contacting a biomedical device formed from a hydrogel with a solution comprising at least one water soluble, non-reactive hydrophilic polymer comprising less than 20 mol % anionic repeating units and repeating units derived from N-(2-hydroxyalkyl)(meth)acrylamide of Formula I
- 51. An ophthalmic solution comprising between about 10 ppm and about 10 wt % at least one water soluble, non-reactive hydrophilic polymer comprising less than 20 mol % anionic repeating units and repeating units derived from N-(2-hydroxyalkyl)(meth)acrylamide of Formula I
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55. The solution of 54, wherein said solution is a saline solution comprising salts selected from the group consisting sodium chloride, sodium borate, sodium phosphate, sodium hydrogenphosphate, sodium dihydrogenphosphate, and corresponding potassium salts thereof.
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56. The solution of 54, wherein said water soluble, non-reactive hydrophilic polymer has a degree of polymerization between about 100 and about 100,000.
Specification