PROBLEM TO BE SOLVED: To provide a technology which enables the shape feature amount of a subject's eye as a diagnostic object to be displayed together with an index serving as a criterion for determining whether or not the subject's eye suffers from a disease.SOLUTION: An image processing system includes an analytical means for acquiring information indicating the degree of the curvature of the retina from a tomographic image of a subject's eye, and an acquisition means for acquiring the category of the subject's eye on the basis of the analysis results.【課題】被検眼が疾病であるか否かの判定基準となる指標とともに、診断対象となる被検眼の形状特徴量を表示できるようにした技術を提供する。【解決手段】画像処理システムは、被検眼の断層画像から網膜の湾曲の程度を表す情報を取得する解析手段と、前記解析の結果に基づいて前記被検眼のカテゴリを取得する取得手段とを具備する。【選択図】 図1