Haptics for intraocular lenses having high fracture toughness

US5037435A · kind A · utility

Assignee

• Optical Radiation Corporation · US

Inventors

• Scott Chang · Los Angeles, US
• Thomas Paul · Herne, DE
• Kenneth E. Weber · Burbank, US
• Edwin A. Creasman · Fontana, US
• Mei-Ing Cheng · Walnut, US
• David R. Navarrete · Cerritos, US
• Jimmy D. McCullough · Chino, US

Key dates

• Filing date: Mar 2, 1990
• Grant date: Aug 6, 1991
• Expiry date: Mar 2, 2010

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y10S623/901
• WIPO field: Other special machines
• WIPO sector: Mechanical engineering

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.