1. An ophthalmologic apparatus comprising: an examination optical system configured for carrying out an examination of an eye; a supporting part configured to support a face of a subject; a driver configured to move the examination optical system and the supporting part relatively and three-dimensionally; two or more imaging parts configured to substantially simultaneously photograph an anterior eye part of the eye from different directions; an analyzer configured to obtain a three-dimensional position of the eye by analyzing two or more photograph images acquired by the two or more imaging parts substantially simultaneously; and a controller configured to control the driver based on the three-dimensional position to relatively move the examination optical system and the supporting part.