PROBLEM TO BE SOLVED: To enable accurate comparison between a layer thickness of a subject eye and statistical layer thickness data of a normal eye.SOLUTION: An ophthalmologic apparatus includes: measurement means for analyzing a tomographic image and measuring a layer thickness of a predetermined tissue of a subject eye site identifying means for identifying positions of a plurality of sites of the subject eye statistical data of layer thicknesses of predetermined tissues of a plurality of subject eyes position alignment means for performing position alignment between the subject eye and the statistical data, by using the information about the positions of the plurality of sites and comparison means for comparing the layer thickness of the predetermined tissue of the subject eye with the statistical data of the layer thicknesses of predetermined tissues of the plurality of subject eyes.COPYRIGHT: (C)2015,JPO&INPIT