High refractive index ophthalmic device materials

Details High refractive index ophthalmic device materials High refractive index ophthalmic device materials

G - Physics

02

B

G02B 1/04 (2006.01) A61F 2/16 (2006.01)

Patent

CA 2722784

High refractive index copolymers suitable for use in ophthalmic devices are disclosed. The copolymers comprise a single aryl hydrophobic monomer as a device forming monomer. In addition, the copolymers comprise a non-polymerizable block copolymer surfactant. The copolymers have a reduced tendency to form glistenings when stored in water at physiological temperatures.

L'invention concerne des copolymères à indice de réfraction élevé appropriés à une utilisation dans des dispositifs ophtalmiques. Les copolymères comprennent un unique monomère d'aryle hydrophobe comme monomère formant le dispositif. En outre, les copolymères comprennent un tensioactif pour copolymère séquencé polymérisable. Les copolymères présentent une tendance réduite à scintiller lorsqu'ils sont stockés dans l'eau à des températures physiologiques.

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