Production of contact lenses

Details Production of contact lenses Production of contact lenses

1982-05-17

1984-10-23

Lowe, James B.

Plastic and nonmetallic article shaping or treating: processes

Optical article shaping or treating

Rotational molding

264 26, 264 27, 425272, 425275, 425429, 425808, B29D 1100

Patent

active

044787707

ABSTRACT:
The invention relates to a process for the production of a contact lens, which comprises coating a tool made of an inert material, having a curvature corresponding to that of one of the optical surfaces of the lens to be produced, with a layer of solid polymer, and machining the outer surface of said polymer to the desired curvature of the second surface of said lens while supported by said tool, and to a tool for carrying out such process.

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