Titmus Butterfly Stereotest

Product Code: EA1123
£198.00 Price exclusive of VAT
At a glance:
  • The figures present on the test cannot be identified without viewing glasses.
  • Less scary for children than the fly test
  • Graded circle test (800 to 40 seconds of arc)
  • Animal test for children (400 to 100 seconds of arc)

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The Titmus Butterfly Stereotest is a valuable tool for assessing stereoscopic depth perception in patients. This test evaluates both gross stereopsis (2500 to 1200 seconds of arc) and fine depth perception, making it suitable for a wide range of clinical applications

The test consists of random dot stereograms that cannot be identified without polarized viewing glasses, ensuring accurate assessment of the fusion mechanism

The Titmus Butterfly Stereotest includes three levels of testing: the House Fly, the series of animals, and the circle patterns

House Fly: This test establishes the presence of gross stereopsis and is particularly useful for young children who may have difficulty understanding instructions

The large central mass and translucent wings make the fly an ideal stereoscopic subject.

Animals: This series facilitates testing younger children whose visual systems have not fully developed

The patient is asked to identify the animal in each row that appears to be “jumping off the page.”

Circles: The circle patterns provide a finely graded sequence for critical testing. The patient is asked to indicate which circle seems to come out closer to them.

The Titmus Butterfly Stereotest is easy to administer. The booklet should be held upright 40 cm from the patient’s face, and polarized viewers must be worn over any habitual correction

Proper illumination is essential to avoid shadows or reflections on the booklet

The Titmus Butterfly Stereotest is an effective and reliable method for evaluating stereoscopic depth perception, aiding in the diagnosis and management of various visual disorders

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