An evaluation device includes: an image-data acquiring unit to acquire image data of an eyeball of a subject; a gaze-point detecting unit to detect position data of a gaze point of the subject based on the image data; a display control unit to perform a display operation to display objects on a display screen, and a non-display operation to hide the objects in predetermined timing; a region setting unit to set corresponding regions respectively corresponding to the objects on the display screen; a determining unit to determine, based on the position data, whether the gaze point is present in the corresponding region in a non-display period; an arithmetic unit to calculate, based on determination data, region data indicating the corresponding region in which the gaze point is detected in the non-display period; and an evaluating unit to calculate evaluation data of the subject based on the region data.