Laser beam ophthalmological surgery method and apparatus
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United States of America Patent
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Jan 2, 1996
Grant Date -
N/A
app pub date -
Dec 9, 1994
filing date -
Dec 9, 1994
priority date (Note) -
Expired
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Abstract
A laser beam ophthalmological surgery method includes the steps of generating a laser beam and splitting the generated laser beam into multiple laser beams which are simultaneously focused onto a plurality of scanners. Each scanner in turn produces a predetermined scanning pattern focused on the cornea of a patient's eye to ablate the cornea tissue and with at least two beams simultaneously scanning and ablating the cornea tissue. Scanning is controlled from a central processing unit to perform the surgical procedure, removing a laser thickness of the cornea tissue to provide a safer and more predictable surgical procedure in the reshaping of the cornea. A laser ophthalmological surgery apparatus is provided which includes a laser generating a laser beam, a beam splitter for splitting the laser beam into a plurality of laser beams, and a plurality of scanners, each positioned for receiving one of the laser beams from the beam splitter and producing a predetermined scanning pattern from the laser beam and impinging the scanning pattern upon the cornea of a patient's eye.
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