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Frisby Stereo Test Complete 3 Plate Test

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Quick Overview

Frisby Stereotest has three transparent plates. One of these is shown on each presentation to the subject. The box is for storing the plates. The box also has a fold-out flap for providing a clear background against which the plates are presented.

The three plates are of differing thickness, 6mm, 3mm and 1.5mm. Thus they present different sizes of disparity cues, thereby enabling the stereoacuity of the observer to be measured. The plates can be presented at differing distances to further vary the disparity cues.

A table in the box lid and in the Instructions Booklet shows