Patent ID: 6346100
Filing Date: 2002-02-12
Classification: A61F

Abstract:
A laser treatment apparatus for irradiating an affected part with a treatment laser beam, the apparatus comprising:a laser source for emitting the treatment laser beam: an irradiation optical system for directing the laser beam emitted by the laser source to the affected part; a variable magnification lens arranged movably on an optical axis of the irradiation optical system; first input means for inputting data concerning magnification of a contact lens to be used for treatment; second input means for inputting a spot size of the laser beam in air based on a movement quantity or a position of the magnification lens; calculation means for obtaining a real spot size of the laser beam on the affected part based on the data inputted by the first input means and the second input means; and spot size display means for displaying the real spot size of the laser beam obtained by the calculation means.