Patent ID: 8177362

Claim:
An optical image measurement device that has: an interference-light generator configured to split a low-coherence light into a signal light and a reference light and superimpose the signal light propagated through an eye and the reference light propagated through a reference object to generate an interference light; a detector configured to detect the generated interference light; and a scanner configured to scan the eye with the signal light, and that forms an image of the eye based on a detection result from the detector, the optical image measurement device comprising: a designating part configured to designate one or more cross-section positions in the eye; a scan setting part configured to set a number of scanning points; a controller configured to thin out the number of scanning points set by the scan setting part to control the scanner to execute a repetitive scan with a signal light along each of the designated cross-section positions; an image forming part configured to repetitively form a tomographic image at each of the cross-section positions, based on a detection result of an interference light based on the signal light with which the repetitive scan is executed; and a display configured to display a tomographic motion image at each of the cross-section positions, based on the repetitively formed tomographic image; and a manipulation part, wherein: the controller is configured to, when the manipulation part is manipulated while the tomographic motion image is being displayed, control the scanner to execute a scan with a signal light along at least one cross-section position of the designated cross-section positions to scan the scanning points set by the scan setting part before being thinned out; and the image forming part is configured to form a tomographic still image at each of the at least one cross-section position, based on a detection result of an interference light based on the signal light with which the scan is executed.