TNO Stereo Test Equipment

Product Details:

• Suitable for testing very small children (2 1/2 to 5) as well as adults
• TNO sterotest contains seven red/green test plates, presented in book form.
• In conjuction with red/green spectacles, the first three plates are used for screening.
• The quantitive plates (V VI) enable stereoacuity between 480 and 60 seconds of arc.
• When used for screening purposes, Plate V should be used as a pass-fail criterion. Various studies (see references)
• indicate that at the level of 240 sec. of arc at least 95% of
• the amblyopes are unable to see the test figures.
• Kit includes seven plates and red/green glasses.