Spin casting lenses having reduced spherical aberration

Details Spin casting lenses having reduced spherical aberration Spin casting lenses having reduced spherical aberration

1982-07-13

1984-02-28

Lowe, James B.

Plastic and nonmetallic article shaping or treating: processes

Optical article shaping or treating

Rotational molding

264 25, 425808, B29D 1100

Patent

active

044341130

ABSTRACT:
A 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: 3428533 (1969-02-01), Pichel
patent: 3555126 (1971-01-01), Gitson
patent: 3641717 (1972-02-01), Neefe
patent: 3660545 (1972-05-01), Wichterle
patent: 3691263 (1972-09-01), Stoy et al.
patent: 4188353 (1980-02-01), Neefe
"Spincasting Contact Lenses", Coombs et al, Optical Engineering, vol. 15, No. 4 pp. 332-333 Jul.-Aug. 1976.

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