In order to improve the accuracy of diagnoses, this diagnosis support apparatus is configured as follows. In other words, the diagnosis apparatus is provided with: an imaging unit for capturing an image of a subject a line of sight detection unit that detects the direction of the line of sight of the subject from the image captured by the imaging unit a viewpoint detection unit that detects the viewpoint of the subject in a display area of a display unit on the basis of the direction of the line of sight and an output control unit that displays, in the display area, a diagnostic image synthesized in such a manner that a pattern image is superimposed on a natural image.
