Apparatus for operation on a cornea

Details Apparatus for operation on a cornea Apparatus for operation on a cornea

1998-07-24

2000-10-24

Buiz, Michael

Surgery

Instruments

Corneal cutter or guide for corneal cutter

606 4, 606 5, A61F 900

Patent

active

061360120

ABSTRACT:
An apparatus for operation on a cornea by ablating with a laser beam for correcting ametropia; the apparatus comprising an input device utilized for inputting each data necessary for correction, a first correcting device for irradiating a laser beam for correcting myopic astigmatism, a second correcting device for irradiating a laser beam for correcting hyperopic astigmatism, a calculating device for calculating each correction-data based on the each inputted data in case of combining the first and second correcting means, and a control device for ablating the cornea by controlling the first and second correcting means based on results calculated by the calculating device.

REFERENCES:
patent: 5569238 (1996-10-01), Shei et al.
patent: 5637109 (1997-06-01), Sumiya
patent: 5713892 (1998-02-01), Shimmick
patent: 5800424 (1998-09-01), Sumiya
"LASIK nomogram treats mixed and simple myopic astigmatism", Ocular Surgery Magazine, by Henry W. Stinger.
"Laser in situ Keratomileusis for Simple Myopic, Mixed, and Simple Hyperopic Astigmatism", Journal of Refractive Surgery, vol. 14, No. 2 (suppl), Apr. 1998, pp. S175-S176.

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