Sight-correcting optical component such as an intra-ocular impla

Details Sight-correcting optical component such as an intra-ocular impla Sight-correcting optical component such as an intra-ocular impla

1990-05-07

1991-05-28

Frinks, Ronald

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

Eye prosthesis

Intraocular lens

351161, A61F 216, G02C 704

Patent

active

050190989

ABSTRACT:
An optical component such as an intra-ocular implant or contact lens for correcting sight has an aspherical surface in at least the central part of at least one side. The parameters of this surface are chosen so that for the optical system comprising the optical component and an associated eye model the object proximity curve is a specific shape.

REFERENCES:
patent: 4469413 (1984-09-01), Shirayanagi
patent: 4504982 (1985-03-01), Burk
patent: 4710193 (1987-12-01), Volk
patent: 4769033 (1988-09-01), Nordas
Journal of Optical Society of America, vol. 2, No. 8, Aug. 1985, pp. 1273-1281, New York, U.S.; R. Navarro et al.: "Accommodation-Dependent Model of the Human Eye with Aspherics".

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