Contact lens with reduced spherical aberration for aphakic eyes

Details Contact lens with reduced spherical aberration for aphakic eyes Contact lens with reduced spherical aberration for aphakic eyes

1977-10-31

1980-04-01

Corbin, John K.

Optics: eye examining, vision testing and correcting

Spectacles and eyeglasses

Ophthalmic lenses or blanks

351167, G02C 704

Patent

active

041959191

ABSTRACT:
Contact lenses, particularly for aphakic eyes, are characterized by a rear conicoid optical surface that is fitted to the cornea and a front prolate ellipsoidal optical surface of particular power, these surfaces having functionally related configurations.

REFERENCES:
patent: 3227507 (1966-01-01), Feinbloom
patent: 3482906 (1969-12-01), Volk
Goldberg, J. B., "Eccentricity Values of Corneal Lenses," Optometric Weekly, Apr. 1, 1976, pp. 37-39.
Thomas, P. F., "The Prescribing and Fitting of "Conoid" Contact Lenses," Contacto, vol. 12, No. 1, Mar. 1968, pp. 66-69.
Feinbloom, W. et al., "Fitting Ellipsoidal Contact Lenses," Contacto, vol. 16, No. 1, Mar. 1972, pp. 36-38.

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