An ocular axial length measurement apparatus is provided with: a measurement section for obtaining the ocular axial length of an examinees eye by using an optical interferometer a drive mechanism for adjusting the relative positions of the measurement section and the examinees eye an operation section operated by an examiner and a control unit. The ocular axial length measurement apparatus is equipped with an ultrasonic probe for obtaining length information in an axial direction of the examinees eye in advance, or configured to mount the ultrasonic probe. The control unit, when measuring the eye using the ultrasonic probe, changes a setting at the time of measuring the eye using the ultrasonic probe based on an operation signal output from the operation section.
