radiostereoscopy

ra·di·o·ster·e·os·co·py

(rā'dē-ō-ster'ē-os'kŏ-pē),
Simultaneous viewing of two radiographs made in slightly different projections, usually with a device that reflects the image of one on each eye, allowing three-dimensional visualization of an object in relation to others. See: stereoradiography, stereoscope.
[radio- + G. stereos, solid, + skopeō, to view]

radiostereoscopy

An obsolete method of diagnostic radiology in which a pair of roentgenograms produced by stereoroentgenography (see there) were viewed in three dimensions.