Neuropharmacology & Neurotherapeutics
Jun. 15, 2021
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This patient described severe visual constriction. Binocular fields were performed using a tangent screen. When the testing distance was doubled, the same pattern of visual field constriction was demonstrated, without expansion that would occur in the case of an organic deficit. Non-organic visual field constriction was diagnosed. (Contributed by Dr. Sashank Prasad.)