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Custom Vergence Facility Prism

Product Number: 11107S

The Vergence Facility Prism is used to test for binocular vision disorders and symptoms.  Choose the size of the base in and base out prism.  Proudly made in the U.S.A.



Vergence Facility testing has been shown to be one of the most important methods of detecting patients with binocular vision disorders and symptoms. Diagnosis of non-strabismus binocular vision abnormalities can be improved through the use of vergence facility testing at near.