The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jan. 20, 2004
Filed:
Oct. 22, 2001
Nidek Co., Ltd., , JP;
Abstract
The present invention is intended to provide a corneal surgery apparatus which enables a surgical operator to accurately ablate a cornea in part. The corneal surgery apparatus for ablating part of a cornea by irradiating a laser beam onto the cornea of a patient's eye comprises an irradiation optical system for irradiating the laser beam emitted from a laser light source onto the cornea, an aperture, which is disposed in the irradiation optical system, profiling a cross-sectional region of the beam perpendicular to an optical axis of the irradiation into one or more small regions, and correcting device for correcting an intensity distribution of the laser beam, which is changed when the beam passes through the aperture, to a specified intensity distribution.