Accommodative intra-ocular lens

Details Accommodative intra-ocular lens Accommodative intra-ocular lens

2007-09-17

2011-12-06

Matthews, William H. (Department: 3774)

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

Eye prosthesis

Intraocular lens

C623S006370

Reexamination Certificate

active

08070806

ABSTRACT:
An accommodative intra-ocular lens deformable between the unaccommodating and accommodating configurations upon the relaxation and contraction of the ciliary muscle. The lens anterior and posterior portions are substantially sealingly joined together about their peripheral edges and define a lens internal volume filled with a substantially incompressible lens internal fluid. Causing a variable internal fluid pressure exerted on the lens inner surfaces. The lens is configured such that radius of curvature of both the central and peripheral sections of the lens anterior portion will decrease upon an increase in internal fluid pressure and increase upon a decrease in internal fluid pressure.

REFERENCES:
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patent: 4932966 (1990-06-01), Christie et al.
patent: 6638305 (2003-10-01), Laguette
patent: 7261737 (2007-08-01), Esch et al.
patent: 2005/0085906 (2005-04-01), Hanna
patent: 2005/0137703 (2005-06-01), Chen
patent: 2006/0271186 (2006-11-01), Nishi et al.
patent: 2007/0129801 (2007-06-01), Cumming
International Search Report for PCT/CA2007/001659.

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