Intraocular lenses

Details Intraocular lenses Intraocular lenses

1976-03-16

1977-05-31

Frinks, Ronald L.

A61F 116, A61F 124

Patent

active

040259650

ABSTRACT:
Optical sections (lenses) of pseudophakoi having tangential holes are produced without drilling operations. A preform of lens material is drawn with embedded acid soluble rods and/or openings corresponding in diametral size and relative juxtaposition to the size, shape and locations of holes needed in a lens, a lens blank is cut from the drawn preform and portions of rods remaining therein are etched away prior to or following final edging and surface finishing of the lens blank.

REFERENCES:
patent: 2834023 (1958-05-01), Lieb
patent: 3673616 (1972-07-01), Fedorov et al.
patent: 3906551 (1975-09-01), Otter
"New Lens for Cataracts" Newsweek, June 30, 1975, p. 45.

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