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Inventor: Fuqian Tang


Address: Orlando, FL
No. of patents: 7
Last patent issue date: 06/25/2002

NumberTitleIssue Date
6409718Device and method for correcting astigmatism by laser ablation
A method for correction of a simple astigmatism of a corneal surface of an eye is provided. The method provides a laser operable to produce a pulsed output laser beam. A scanning mechanism is positioned to operatively receive the pulsed output laser beam ...
06/25/2002
6344039Device for eliminating parallax of stereo microscopes during refractive laser surgery
A device for eliminating decentration error due to parallax during ophthalmic laser surgery comprises a stereo microscope having a first ocular and a second ocular and an objective lens for viewing a patient's eye, a laser for projecting a laser beam at a...
02/05/2002
6263007Pulsed discharge gas laser having non-integral supply reservoir
A laser assembly, particularly one employing a gas lasing medium, has at least one lasing gas supply reservoir that is separate from the housing enclosure for the laser's optical cavity. A flexible or semi-flexible conduit supplies lasing gas from the res...
07/17/2001
6132424Smooth and uniform laser ablation apparatus and method
A laser beam delivery apparatus and a method for smoothly and uniformly ablating tissue, e.g., for reshaping a cornea of an eye, even in the face of real-world conditions such as a moving eye. The method includes defining a plurality of scan lines in an a...
10/17/2000
6010497Method and apparatus for controlling scanning of an ablating laser beam
A laser beam delivery system and a method for ablating tissue, e.g., for reshaping a cornea of an eye is provided. The laser beam delivery system directs a laser beam on the tissue to be ablated in a predetermined pattern according to the principles of th...
01/04/2000
5997529Compound astigmatic myopia or hyperopia correction by laser ablation
An apparatus is provided for performing corneal refractive surgery by ablating a portion of a corneal surface of an eye. The apparatus includes a pulsed laser for producing a pulsed output beam of light. A scanning mechanism scans the output beam, and the...
12/07/1999
5947955Active eye movement and positioning control device
A device for controlling the position of a patient's eyes during ophthalmic laser surgery is disclosed which comprises a first fixation object positioned within view of the patient's eye that is undergoing treatment, a second fixation object positioned wi...
09/07/1999
 
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