Device used to change corneal curvature

Details Device used to change corneal curvature Device used to change corneal curvature

1988-11-21

1990-12-11

Thaler, Michael H.

Surgery

Instruments

Surgical mesh, connector, clip, clamp or band

606201, 24277, A61B 1712

Patent

active

049767194

ABSTRACT:
This invention relates to a method for reducing all of the common refractive errors, myopia, hyperopia, and astigmatism in a reversible fashion and to a device for achieving same. More particularly, this invention relates to a method for reducing or eliminating nearsightedness by flattening the curvature of the cornea and to a method for reducing or eliminating corneal astigmatism by changing the out-of-round shape of the cornea to a round shape. All of the methods utilize a retainer ring permanently placed in the stroma of the cornea, the tensioning of the ring being controlled by a turnbuckle arrangement.

REFERENCES:
patent: 2881762 (1959-04-01), Lowrie
patent: 3570497 (1971-03-01), Lemole
patent: 4671276 (1987-06-01), Reynolds

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