Method for calculating refractive correction amount in...

Details Method for calculating refractive correction amount in... Method for calculating refractive correction amount in...

2006-10-24

2006-10-24

Shay, David M. (Department: 3739)

Surgery

Instruments

Light application

C606S005000, C606S013000

Reexamination Certificate

active

07125405

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:
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patent: 5800424 (1998-09-01), Sumiya
patent: 19522915 (1996-01-01), None
patent: 628298 (1999-12-01), None
patent: 9-122167 (1997-05-01), None
patent: 95/27452 (1995-10-01), None
Chayet et al “Laser in situ Keratomileusis for Simple Myopic, Mixed, and Simple Hyperopic Astigmatism”; J. Refract. Surg.; V14, No. 2 (Suppl), Apr. 1998, pp. S175-S176.
Chayet, S. Arturo, et al., “Laser in situ Keratomileusis for Simple Myopic, Mixed, and Simple Hyperopic Astigmatism,” Journal of Refractive Surgery, vol. 14, No. 2 (suppl.), pp. S175-S176, Apr. 1998.
Lucio Buratto et al., Indications, techniques, results, and complications of laser insitukeratomileusis, Current Opinion in Ophthalmology, vol. 8, No. 4, pp. 59-66, Aug. 1997.

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