Scleral prosthesis for treatment of presbyopia and other eye dis

Details Scleral prosthesis for treatment of presbyopia and other eye dis Scleral prosthesis for treatment of presbyopia and other eye dis

1997-10-08

1999-12-28

Willse, David H.

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

Eye prosthesis

623 11, A61F 214

Patent

active

060075783

ABSTRACT:
Presbyopia is treated by implanting within a plurality of elongated pockets formed in the tissue of the sclera of the eye transverse to a meridian of the eye, a prosthesis having an elongated base member having an inward surface adapted to be placed against the inward wall of the pocket and having a ridge on the inward surface of the base extending along at least a major portion of the major dimension of the base. The combined effect of the implanted prostheses is to exert a radially outward traction on the sclera in the region overlying the ciliary body which expands the sclera in the affected region together with the underlying ciliary body. The expansion of the ciliary body restores the effective working distance of the ciliary muscle in the presbyopic eye and thereby increases the amplitude of accommodation. Hyperopia, primary open angle glaucoma and/or ocular hypertension can be treated by increasing the effective working distance of the ciliary muscle according to the invention.

REFERENCES:
patent: Re35390 (1996-12-01), Smith
patent: 4521210 (1985-06-01), Wong
patent: 4946436 (1990-08-01), Smith
patent: 5354331 (1994-10-01), Schachar
patent: 5443505 (1995-08-01), Wong et al.
patent: 5520631 (1996-05-01), Nordquist et al.
patent: 5558630 (1996-09-01), Fisher
patent: 5766242 (1998-06-01), Wong et al.

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