Haptics for intraocular lenses having high fracture toughness

Details Haptics for intraocular lenses having high fracture toughness Haptics for intraocular lenses having high fracture toughness

1990-03-02

1991-08-06

Frinks, Ronald

Prosthesis (i.e., artificial body members), parts thereof, or ai

Eye prosthesis

Intraocular lens

623901, 264 14, 264 17, A61F 216, B29D 1100

Patent

active

050374354

ABSTRACT:
An intraocular lens comprises a substantially clear optic and at least one filamentous haptic having high fracture toughness. The haptic is formed of a polymer composition comprising low concentrations of solid particles uniformly dispersed throughout a polymer matrix.

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patent: 4813956 (1989-03-01), Gupta
"Simultaneous Interpenetrating Networks Based on Epoxy/Acrylic Materials"; Touhsaent et al., in Advances in Chemistry, Series No. 154, American Chemical Society, Washington, D.C., pp. 206-233, 1976.
"The Fracture of Glassy Polymers", Doyle et al., Proceedings of the Royal Society, London, vol. 329, pp. 137-151, Aug. 8, 1972.
"Stress-Whitening in High-Impact Polystyrenes", Bucknall and Smith, Polymer, vol. 6, pp. 437-439, 1965.
"What Failure Mechanisms Tell About Toughened Epoxy Resins", Plastics Engineering, Mar. 1975, pp. 45-47, Greenwich, Conn., by Rowe and Riew.

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