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Primary Examiner: Corbin, John K.
Assistant Examiner: Sugarman, Scott J.
Attorney: Morse, Altman, Oates & Bello

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Title: Contact lens with reduced spherical aberration for aphakic eyes

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.

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Inventors: Shelton, William A. (Cambridge, MA, US)

Application Number: 846829
Filing Date: 1977-10-31
Publication_date: 1980-04-01
Assignee:
Primary Class(es): 351/160R 351/167
Other Classes:
US Patent Ref:

3227507	Jan, 1966	Feinbloom	351/160.
3482906	Dec, 1969	Volk	351/160.

Other Refs: Other References: 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.