synoptophore

syn·op·to·phore

(sin-op'tō-fōr),
A modified form of Wheatstone stereoscope used in orthoptic training.
[syn- + G. ōps, eye, + phoros, bearing]

synoptophore

(sin-op'to-for) [? + ops, sight, + phoros, bearing]
An apparatus for diagnosis and treatment of strabismus. Synonym: synoptoscope

amblyoscope

or

synoptophore

An instrument used in ORTHOPTICS to present to the subject images at different angles of convergence or divergence so that the fusional ability can be tested.

Synoptophore

A type of major amblyoscope (Fig. S16). See Worth amblyoscope.
Fig. S16 Synoptophoreenlarge picture
Fig. S16 Synoptophore