An eye movement measurement device includes an acquisition unit configured to acquire an eye image in which an image of an eye of a subject is captured, a feature point extraction unit configured to extract feature points in a white region of the eye included in the eye image acquired by the acquisition unit, a candidate region generation unit configured to generate, for each of the feature points extracted by the feature point extraction unit, a template candidate region, the template candidate region being a region including a pixel of each of the feature points, in the eye image, a selection unit configured to select, as a template region, the template candidate region including more of the feature points among a plurality of the template candidate regions generated by the candidate region generation unit, and a measurement unit configured to measure a three-dimensional eye movement including at least a rotation angle of the eye of the subject by tracking movement in the eye image acquired by the acquisition unit by using the template region selected by the selection unit.
EYE MOVEMENT MEASUREMENT DEVICE, EYE MOVEMENT MEASUREMENT METHOD, AND EYE MOVEMENT MEASUREMENT PROGRAM