Bifocal intra-ocular lens

Details Bifocal intra-ocular lens Bifocal intra-ocular lens

1984-03-13

1987-01-13

Frinks, Ronald L.

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

Eye prosthesis

Intraocular lens

351161, 351168, A61F 216

Patent

active

046362118

ABSTRACT:
An intra-ocular lens consisting of a transparent body has concentrically oriented near vision and far vision, optically powered portions with the near vision portion being centrally positioned relative to the body and the far vision portion being coaxial with and surrounding the near vision portion, the lens being fixed in a position such that the near vision portion is aligned with the pupillary aperture of the eye and is fixed in alignment.

REFERENCES:
patent: 3555126 (1971-01-01), Gitson
patent: 3726587 (1973-04-01), Kendall
patent: 4206518 (1980-01-01), Jardon et al.
patent: 4316293 (1982-02-01), Bayers
patent: 4402579 (1983-09-01), Poler
patent: 4435856 (1984-03-01), L'Esperance
"Ultrafocal Bifocal Contact Lens" by Claud A. Kendall, Contacto, Jan. 1976, pp. 31-35.

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