• Courtesy of Karl C. Golnik, MD.
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    “Missing half” field defect. A 33-year-old man complained of decreased vision temporally in the right eye after being in a motor vehicle accident. Automated perimetry testing demonstrates a normal field on the left (A) and a temporal defect on the right (B). Visual field tests performed with both eyes open (C) demonstrate persistence of the visual field defect, indicating a nonorganic basis for the visual complaint.