Method and apparatus for treating presbyopia

Details Method and apparatus for treating presbyopia Method and apparatus for treating presbyopia

2005-11-29

2005-11-29

Farah, A. (Department: 3739)

Surgery

Instruments

Light application

C606S004000, C128S898000

Reexamination Certificate

active

06969386

ABSTRACT:
An apparatus and method are disclosed for treating near vision loss or deficiency, such as presbyopia. In contrast to conventional techniques, a peripheral ablation is provided in an annular zone of the cornea ranging from 5.5 to about 10+mm to increase the dioptic power of this peripheral zone. The central zone disposed within the peripheral zone of the cornea is left untreated, is corrected for other vision deficiencies or is corrected so that it reverts to its characteristics prior to the peripheral ablation.

REFERENCES:
patent: 5647865 (1997-07-01), Swinger
patent: 5754270 (1998-05-01), Rehse et al.
patent: 6740078 (2004-05-01), Tamayo
patent: 0201231 (1986-11-01), None

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