The occlusion is faithfully expressed even in the binocular vision in the AR display by a head mounted display apparatus or the like. A head mounted display apparatus 10 includes a lens, a lens, a camera, a camera, and a control processor. A CG image for a right eye is displayed on the lens. A CG image for a left eye is displayed on the lens. The camera captures an image for the right eye. The camera captures an image for the left eye. The control processor generates the CG image for the right eye in which occlusion at the time of seeing by the right eye is expressed and the CG image for the left eye in which occlusion at the time of seeing by the left eye is expressed, based on the images captured by the cameras and projects the generated CG image for the right eye and CG image for the left eye onto the lenses and. A center of a lens of the camera is provided at the same position as a center of the lens. A center of a lens of the camera is provided at the same position as a center of the lens.