Method of altering the shape of the cornea

Details Method of altering the shape of the cornea Method of altering the shape of the cornea

1996-07-15

1997-11-25

Thaler, Michael H.

Surgery

Miscellaneous

Methods

606166, A61B 1700

Patent

active

056901232

ABSTRACT:
A device is provided to plastically change the shape of the cornea by application of a vacuum. The device has elongated openings that are connected to a vacuum pump. By placing the device on the surface of the cornea and then applying a vacuum, a plastic deformation of the area of the cornea below the openings is achieved. The resulting effect is that the curvature and the refractive power of the cornea and the eye are changed. A flatter cornea reduces or corrects myopia or nearsightedness. Applications extend to correction of all refractive errors: myopia, hyperopia and astigmatism.

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patent: 4688570 (1987-08-01), Kramer et al.
patent: 4744362 (1988-05-01), Grundler
patent: 5108412 (1992-04-01), Krumeich et al.

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