Apparatus for analyzing a sectional image of an anterior eye segment and a program for the same

A program embodied on a computer-readable medium for analyzing a sectional image of an anterior eye segment of an eye which is light-sectioned by slit light and photographed, the program activating a computer as:

• defining means, in case that a direction of an optical axis of the eye being specified as a direction of a Y-axis, a direction perpendicular to the Y-axis direction being specified as a direction of an X-axis, and an XY coordinate system being assigned to the sectional image, for defining opacity part of a posterior capsule of the eye based on extensiveness of a light-scattering part in the X-axis direction, the light-scattering part being between a rear surface of a cornea of the eye defined based on a density change of the sectional image and a fundus of the eye and having a density sharply changed in the Y-axis direction in an analytical range in the X-axis direction;
• determining means for determining an area to be analyzed by determining an analytical range in the Y-axis direction based on the defined opacity part of the posterior capsule;
• analyzing means for analyzing an opacity condition of the opacity part of the posterior capsule based on a density distribution in the determined area;
• and
• display control means for displaying a result of analysis by the analyzing means.