Hemifield slide phenomenon in a patient with bitemporal hemianopia
Pituitary tumor is by far the most common perichiasmal tumor. It can compress the chiasm resulting in visual field defect, classically bitemporal hemianopia. A dense bitemporal hemianopic scotoma can cause hemifield slide phenomenon. This brief report describes a patient with this phenomenon resulting in nonparetic diplopia. With orthoptic training, double vision was successfully eliminated; single vision was restored with a nearly full binocular field.
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