TOMAX® is a new type of autostereoscopic display device that has been developed to provide a true 3-D image which does not require special glasses. The system can accept any form of tomographic data that has a sequential format, and provides a series of 2-D pictures in their true spacial relationship. The net effect is a real 3-D image, in that each plane is inherently transparent. By changing the viewers position vis a vis the display, one can observe a parallax containing image. The display system includes a micro-computer, solid state memory, video-digitizer, floppy disk and a varifocal mirror. Various clinical studies have been performed and it appears that autostereoscopic viewing can facilitate image diagnosis.