Artificial eye lenses

Details Artificial eye lenses Artificial eye lenses

1982-04-14

1987-02-10

Frinks, Ronald L.

Prosthesis (i.e., artificial body members), parts thereof, or ai

Eye prosthesis

Intraocular lens

351160R, 351161, 351162, 351163, A61F 216, G02C 704, G02C 710

Patent

active

046421122

ABSTRACT:
A contact lens has a transmission hologram which provides diffractive power on a wavelength and/or amplitude selective basis whereby light from near and distant objects can be focussed on the retina of a presbyopic wearer. Similarly an implant lens can have a transmission hologram to correct for non-accommodative vision. The invention is particularly useful in providing an artificial eye lens with a bi-focal action without need for distinct near and far vision zones.

REFERENCES:
patent: 3339997 (1983-09-01), Wesley
patent: 3794414 (1967-02-01), Wesley
patent: 4073579 (1978-02-01), Deeg et al.
patent: 4206518 (1980-06-01), Jardon et al.
patent: 4210391 (1980-07-01), Cohen
patent: 4377329 (1983-03-01), Poler
patent: 4402579 (1983-09-01), Poler
The Leiske Physioflex Style 10 Anterior Chamber Lens, Surgidev Corp., 1421 State Street, Santa Barbara, Calif. 93101, Jan. 4, 1981.

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