In this paper, the term 3-D refers to true 3-D images seen
with length, width, and height. Stereoscopic viewing systems
for true 3-D images on desktop displays actually
present two images on the screen.
Karen J. Bos,
"Reducing the accommodation and convergence difference in stereoscopic three-dimensional displays by using correction lenses," Optical Engineering 37(3), (1 March 1998). http://dx.doi.org/10.1117/1.601941