A display, imaging units (202 and 204) that capture a subject, an eye gaze detector (351) that detects an eye gaze direction of the subject, from the captured image captured by the imaging units (202 and 204), a gaze point detector (352) that detects a gaze point of the subject in a display region of the display, based on the eye gaze direction, an output controller (353) that displays any of a plurality of diagnosis images on the display, selects the diagnosis image to be displayed next according to a position of the gaze point detected when the diagnosis image is displayed, from the plurality of diagnosis images, and further displays the selected diagnosis image on the display, and an evaluator (354) that calculates an evaluation value of the subject, based on the gaze point detected by the gaze point detector when the diagnosis image is displayed.