Device and method for improving ocular focusing at near vision p

Details Device and method for improving ocular focusing at near vision p Device and method for improving ocular focusing at near vision p

1997-03-05

1998-07-21

Getzow, Scott M.

Surgery: light, thermal, and electrical application

Light, thermal, and electrical application

Electrical therapeutic systems

A61N 108

Patent

active

057828946

ABSTRACT:
A device and method for treating presbyopia by which the ciliary muscles of the eyes are electrically stimulated when the internal rectus muscles of the eyes are activated in order to focus the eyes on objects within the near field of vision. The amounts of electrical stimulation can be adjusted according to the individual needs of a patient and are preferably in direct proportion to the amounts of contraction of the internal muscles.

REFERENCES:
patent: 4271841 (1981-06-01), Friedman
patent: 4603697 (1986-08-01), Kamerling
patent: 4989605 (1991-02-01), Rossen
patent: 5109846 (1992-05-01), Thomas
patent: 5360438 (1994-11-01), Fisher
patent: 5489299 (1996-02-01), Schachar
patent: 5496355 (1996-03-01), Lipsky

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