Patent ID: 7837329
Filing Date: 2010-11-23
Classification: A61B

Abstract:
1. A fundus camera for photographing a fundus of an examinee's eye, the fundus camera comprising: an illumination optical system comprising an illumination light source and arranged to illuminate the fundus with illumination light emitted from the illumination light source via an objective lens; a photographing optical system comprising a focusing lens movable in an optical axis direction thereof, arranged to photograph the fundus by photo-receiving the illumination light reflected from the fundus via the objective lens and the focusing lens, and comprising a diopter correction lens arranged to correct a diopter of severe ametropia and to be additionally inserted into an optical path of the photographing optical system; a focus detection optical system comprising eye refractive power measurement data obtaining means arranged to obtain measurement data including astigmatic power of the eye; and moving means arranged to move the focusing lens, the diopter correction lens, and a part of the projection optical system based on data of the focus detection optical system and the data of the eye refractive power measurement data obtaining means so as to set a focus position of the photographing optical system at a position corresponding to spherical equivalent power of the eye.