Usage:
stereo mode

Stereo controls the camera mode of the graphics window. Possible values of mode are:

• mono or off
• left-eye (equivalents: left, left eye, stereo left eye)
• right-eye (equivalents: right, right eye, stereo right eye)
• cross-eye (equivalents: crosseye, cross eye, or cross-eye stereo)
• wall-eye (equivalents: walleye, wall eye, or wall-eye stereo)
• red-cyan (equivalent: anaglyph) - superimposed left-eye and right-eye views tinged in different colors; glasses with colored filters (such as used to view 3D movies) are needed to produce a three-dimensional effect.
• sequential (equivalents: seq, stereo, on) - rapid flickering between left-eye and right-eye views; special synchronized glasses are needed to produce a three-dimensional effect. This mode is not always available.
• vrex (equivalents: vrex row, VRex, VRex row, VRex row stereo)