A diagnosis supporting device includes a display, an imaging unit that images a subject, a visual line detector that detects a visual line direction of the subject from an image imaged by the imaging unit, a visual point detector that detects a visual point of the subject in a display area of the display based on the visual line direction, an output controller that displays a diagnostic image representing a cause of a certain event and the event on the display, and an evaluator that calculates an evaluation value of the subject based on the visual point detected by the visual point detector when the diagnostic image is displayed.
