Evaluation of polyvinyl alcohol hydrogel as a soft contact lens material

Abstract

We prepared a transparent polyvinyl alcohol (PVA) hydrogel from a PVA solution in a mixed solvent consisting of water and a water-miscible organic solvent by cooling. The physical properties of the hydrogel were evaluated in various mixed solvents and compared with those of commercially available soft contact lens materials, such as polyhydroxyethyl… (More)
DOI: 10.1007/BF00918486

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