Spin casting of contact lenses

Details Spin casting of contact lenses Spin casting of contact lenses

1982-09-13

1983-11-22

Lowe, James B.

Plastic and nonmetallic article shaping or treating: processes

Optical article shaping or treating

Rotational molding

264 25, 264311, 425808, B29D 1100

Patent

active

044168373

ABSTRACT:
A simplified method of making spin cast contact lenses having front and back aspheric surfaces and no effective refractive aspherosity when in place on a spherical cornea.

REFERENCES:
patent: 3010153 (1961-11-01), Bittner
patent: 3408429 (1968-10-01), Wichterle
patent: 3660545 (1972-05-01), Wichterle
patent: 3691263 (1972-09-01), Stoy et al.

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