An adaptive optics apparatus includes an aberration measuring unit that measures an aberration caused by a subjects eye, the aberration being measured on the basis of returning light that returns from the subjects eye an aberration correcting unit that performs aberration correction in accordance with the aberration measured by the aberration measuring unit an irradiation unit that irradiates the subjects eye with light corrected by the aberration correcting unit and an adjusting unit that maintains a correction characteristic of the aberration correcting unit when the subjects eye moves out of a predetermined area.