Apparatus for the surgical correction of ametropia of one or bot

Details Apparatus for the surgical correction of ametropia of one or bot Apparatus for the surgical correction of ametropia of one or bot

1989-04-17

1991-03-05

Pellegrino, Stephen C.

Surgery

Instruments

Corneal cutter or guide for corneal cutter

A61F 900

Patent

active

049974378

ABSTRACT:
A process and an apparatus for the surgical correction of ametropia, which can occur as a function of the corneal curvature in the optical system of one or both eyes of living beings, are proposed. The apparatus includes a grinder essentially comprising a base member to be fixed to the eye and a rotary-driven grinding or polishing punch. A displacement of the focal point in the retinal plane is achieved and consequently the ratio of the optical axis to the refractive force of the eye is corrected by grinding and/or polishing the cornea surface in the optical curvature region.

REFERENCES:
patent: 4173980 (1979-11-01), Curtin
patent: 4622780 (1986-11-01), Tingley
patent: 4796623 (1989-01-01), Krasner et al.
patent: 4834748 (1989-05-01), McDonald

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