B - Operations – Transporting – 29 – D
Patent
B - Operations, Transporting
29
D
26/197
B29D 11/00 (2006.01) C03B 23/047 (2006.01) C03B 23/207 (2006.01) C03C 15/00 (2006.01)
Patent
CA 1062897
METHOD OF MAKING ARTIFICIAL INTRAOCULAR LENSES Abstract of the Disclosure Making perforate optical sections (lenses) of pseudophakoi with avoidance of drilling operations and adversities thereof. Lens material is drawn with embedded acid soluble columns corresponding in diametral size and relative juxtaposition to the size and spaced locations of holes needed in a lens and the columns are etched away prior to or following final edging and surface finishing of the lens. Making multiple lens preforms is contemplated. 2 - 9 - 76
270936
Grolman Bernard
Krohn David A.
Siegmund Walter P.
American Optical Corporation
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