PROBLEM TO BE SOLVED: To provide an ophthalmological instrument by which a load on a patient by stimulation light irradiation is reduced and retina evaluation before and after the stimulation light irradiation is suitably carried out.SOLUTION: The ophthalmological instrument includes: a fundus observation optical system to obtain a fundus image a detection means to detect temporal movement of the fundus from the fundus observation image a monitor to display the fundus observation image a stimulation light irradiating optical system to irradiate the fundus with stimulation light emitted from a stimulation light source a stimulation range setting means to set the irradiation range of the stimulation light on the fundus observation image of the monitor an irradiation range regulating means to regulate the irradiation range of the stimulation light based on the irradiation range set by the stimulation range setting means a control means to control the regulation of the irradiation range by the irradiation range regulating means based on the detection result by the detection means and a calculation means to acquire change information by the calculation process of fundus images or mutual retina tomographic images obtained by the imaging means before and after the stimulation light irradiation.COPYRIGHT: (C)2012,JPO&INPIT【課題】 刺激光照射による患者の負担を減らし、刺激光照射前後の網膜評価を好適に行う眼科装置を提供する。【解決手段】 眼科装置は、眼底観察画像を得る眼底観察光学系と、眼底観察画像から眼底の経時的な動きを検出する検出手段と、眼底観察画像を表示するモニタと、刺激光源から出射された刺激光を眼底に照射させる刺激光照射光学系と、刺激光の照射範囲をモニタの眼底観察画像上で設定する刺激範囲設定手段と、刺激範囲設定手段で設定された照射範囲に基づき刺激光の照射範囲を調節する照射範囲調節手段と、検出手段の検出結果に基づき、照射範囲調節手段による照射範囲の調節を制御する制御手段と、刺激光で刺激された眼底を含む眼底画像または網膜断層画像を撮影する撮影手段と、刺激光照射前後に撮影手段で得られた眼底画像同士又は網膜断層画像同士の演算処理で変化情報を得る演算処理手段と、を備える。【選択図】 図1
