Method of making bifocal contact lenses

Details Method of making bifocal contact lenses Method of making bifocal contact lenses

B - Operations, Transporting

29

D

26/197

B29D 11/00 (2006.01)

Patent

CA 1160437

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.

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