Patent ID: 6860602
Filing Date: 2005-03-01
Classification: A61B

Abstract:
1. An apparatus for examining an anterior-segment of an eye, the apparatus comprising: a projection optical system for projecting slit light onto an eye to be examined from the front, having an optical axis of projection; an image-pickup optical system for picking up a cross-sectional image of the anterior-segment which is optical-sectioned by the projected slit light, having an optical axis of image-pickup inclined toward the projection optical axis, and comprising an image-pickup lens arranged based on the Scheimpflug's rule and an image-pickup device; a photographing sectional angle rotation unit which rotates a direction of the slit light about the projection optical axis and rotates the image-pickup optical system about the projection optical axis in correspondence with the rotation of the slit light; analysis means for constructing a three-dimensional image of the anterior-segment based on a number of the cross-sectional images of the anterior-segment picked up while changing the photographing sectional angle; and display means, including specifying means for specifying a display method, for rotatably displaying the constructed three-dimensional image of the anterior-segmentor displaying the three-dimensional image of the anterior-segment viewed from a different direction, according to the specified display method.