To determine whether information acquired from a tomographic image is attributed to an individual difference or attributed to a disease.SOLUTION: An information processing device includes acquisition means for acquiring a tomographic image of the ocular fundus of an eye to be examined, and comparison means for comparing layer thicknesses of the ocular fundus at symmetric positions with respect to a line connecting the center of the macula and the center of the optic papilla in the ocular fundus on the basis of the tomographic image.SELECTED DRAWING: Figure 1【課題】断層像から得られる情報が個人差に起因するものか、疾病に起因するものかの判断を可能とする。【解決手段】被検眼の眼底の断層像を取得する取得手段と、前記断層像に基づいて、前記眼底における黄斑の中心および視神経乳頭の中心を結ぶ直線に対して対称な位置の前記眼底の層厚を比較する比較手段と、を備える。【選択図】図１
