Method of making bifocal contact lenses
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Dec 16, 1980
Issued Date -
N/A
app pub date -
Mar 15, 1979
filing date -
May 25, 1977
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A method of making bifocal contact lenses by cutting the distant power on a lathe having an off center rotation to produce a prism lens, removing the lens from the lathe, coating the lens surface with a protective polymer and replacing the lens on a lathe and cutting the near power segment, polishing the near optical segment before removing the protective polymer and means of stabilizing the lens on the eye.
First Claim
Family
International Classification(s)
Cited Art Landscape
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