Frisby
Plate Stereotest
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This "natural" Stereotest consists of three test plates(6mm, 3mm, and
1.5mm thick), which permit stereo acuity measurements in a range of 600 - 15 seconds. Each plate has printed on it four random-texture patterns and 'hidden'
in one of these is a circular shape. The patient has to decide in which pattern
the hidden shape lays, a task that can be done successfully only if stereopsis is
present. The test has various advantages over other tests of stereoscopic depth
perception.
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No special glasses are required.
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The hidden shape can only be detected if stereopsis is
present.
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Test plates can be presented separately
without the
risk of the patient learning the correct answer.
-
Large stereo acuity range.
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Suitable for a wide age range, even young pre-schoolers.
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A standardized test situation with a measured viewing
distance.
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Good visual acuity is not essential.
The
advantage of the Frisby Stereotest is that it is a 'natural test', meaning that
the patent does not have to wear diplopic (red/green) glasses or polarizing
glasses. It also has a fairly large range for assessment.
5476x Frisby
Plate Stereotest ..........
$588.00
Frisby
Plate Stereotest Instructions (pdf)
Frisby Plate Stereotest Technical Article
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