Intraocular and extraocular lens construction and method of...

Details Intraocular and extraocular lens construction and method of... Intraocular and extraocular lens construction and method of...

G - Physics

02

C

26/197, 88/40

G02C 7/04 (2006.01) A61F 2/16 (2006.01) B29D 11/02 (2006.01)

Patent

CA 1192069

ABSTRACT This invention relates to lens and haptic structures having appli- cations as intraocular lens implants, or as extraocular devices for contact application to the cornea, for wear in place of spectacles. Each such lens or structure is integrally formed by selective erosion from the same single sheet of transparent material. These sheets each comprise a relatively thick rigid central lens component having a generally circular periphery, and a relatively thin pliant generally annular outer haptic component ex- tending radially outwardly of and distributed circumferentially about the lens periphery. The invention includes a method for making such lenses and structures.

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