1. A bifocal display device comprising: a database that manages at least distant and nearby viewpoint images as data files; an image processing circuit that obtains a far viewpoint image and a nearby viewpoint image from the data base, blurs contours of the far viewpoint image, emphasizes contours of the nearby viewpoint image, and performs an image processing of superimposing the blurred far viewpoint image and the emphasized nearby viewpoint image on each other; and a display that displays a result of the image processing.