Multi-focal intraocular lens

Details Multi-focal intraocular lens Multi-focal intraocular lens

1988-04-19

1992-02-18

Frinks, Ronald

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

Eye prosthesis

Intraocular lens

351161, 351171, A61F 216

Patent

active

050890247

ABSTRACT:
An intraocular lens, for use within the human eye, contains three concentric regions. An innermost region provides far-field vision. A middle region, surrounding the innermost region, provides near-field vision. An outermost region, surrounding the middle region, provides far-field vision. The intermost region is of a size such that, when the pupil constricts in bright light, the innermost region remains exposed to incoming light, and can thus focus distant images in bright light.

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J. Warren Blaker, "Modern Lens Design for Today & Tomorrow", break-out session: Amer. Society of Cataract & Refractive Surgery--Seminar, Apr. 9, 1986.

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