Hydrophilic polymers and contact lenses of high water content
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United States of America
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Oct 18, 1983
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app pub date -
Dec 9, 1981
filing date -
Dec 27, 1977
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Abstract
Cross-linked hydrophilic interpolymers and contact lenses made therefrom comprising hydrophilic units of which the only or major proportion are derived from .Iadd.vinyl pyridine or .Iaddend.an N-vinyl heterocyclic monomer, hydrophobic units derived from the group consisting of styrene and ring-substituted styrenes, and cross-linking units derived from monmers containing two or more polymerizable double bonds per monomer unit.
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