Patent ID: 7559651

Claim:
An ophthalmic measurement apparatus comprising: a measurement optical system for projecting a measurement target onto a fundus of an examinee's eye and detecting an image of the measurement target reflected from the fundus by using a photoelectric element so as to obtain measurement data on eye refractive power distribution or wavefront aberration of the examinee's eye; a photographing optical system for photographing an anterior-segment including a pupil of the examinee's eye by using an image-pickup element; detection means which detects a size of a pupil area by processing the photographed image of the anterior-segment; and correction data calculating means which obtains a spherical power, an astigmatic power, and an astigmatic axial angle based on the measurement data within a given area which is smaller than the pupil area when the detected size of the pupil area is larger than a reference size, and obtains the spherical power, the astigmatic power, and the astigmatic axial angle based on the measurement data within the pupil area when the detected size of the pupil area is smaller than the reference size.