Intraocular lens with tapered haptics

Prosthesis (i.e. – artificial body members) – parts thereof – or ai – Eye prosthesis – Intraocular lens

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A61F 216

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active

047252774

ABSTRACT:
An intraocular lens for use as an artificial lens implant is disclosed. The intraocular lens includes an optical lens body having a periphery and two curved, elongated and resilient haptic members for positioning and supporting the lens in the eye. Each haptic member has an inner or root end and an outer or free end. The haptic member are integrally formed with the lens body as a one-piece construction at the root ends thereof. The haptic members extend outwardly from the lens body along an arc exterior to the periphery of the lens body. Each haptic member has at least a portion thereof tapered or reduced in cross sectional dimension in a direction therealong from the root end toward the free end.

REFERENCES:
patent: Re31626 (1984-07-01), Hoffer
patent: 4159546 (1979-07-01), Shearing
patent: 4174543 (1979-11-01), Kelman
patent: 4370760 (1983-02-01), Kelman
patent: 4435855 (1984-03-01), Pannu
patent: 4468820 (1984-09-01), Uhler et al.
patent: 4476591 (1984-10-01), Arnott
patent: 4477931 (1984-10-01), Kelman
patent: 4494254 (1985-01-01), Lopez
patent: 4556998 (1985-12-01), Siepser
Ocular Surgery News (Reprint), Sep. 1, 1984, vol. 2, No. 17.
"Experience with Twelve Cases of Intra-Ocular Anterior Chamber Implants for Aphakia", by J. Boberg-Ans, British Journal of Ophthalmology, vol. 45, No. 1 Jan. 1961, pp. 37-43.
Precision-Cosmet Product Information Sheets, 1985.
Implantation Procedure for the Bechert 7 mm One-Piece Posterior Chamber Lens, by Charles H. Bechert, M.D., 5 pages.
Implantation of the Kratz/Johnson 7.0 mm Posterior Chamber Lens, by Richard P. Kratz, Stephen H. Johnson, M.D., 5 pages, 1985.
Implant Techniques, The Kamerling Capsular 90 PCL, by William Kamerling, 4 pages.

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