pseudoscope

(redirected from Pseudoscopic vision)
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pseudoscope 

An instrument which, by means of prisms or mirrors, transposes to one eye the image seen normally by the other eye. Thus the sense of depth is reversed and peaks are seen as troughs and vice versa (Fig. P20).
Fig. P20 Optical principle of a pseudoscopeenlarge picture
Fig. P20 Optical principle of a pseudoscope