PMC5602723_01
(A) Visual field (VF) showed bitemporal visual field defect. (B) VF showed bilateral general depression with paracentral scotoma.
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F1
Visual field (VF) examination disclosed a bitemporal VF defect (Fig. 1A), while visual evoked potential examination demonstrated prolonged p100 latencies (Fig. 2). VF examination showed generalized depression with paracentral scotoma in both eyes (Fig. 1B).
Magnetic resonance imaging of optic nerve and chiasm. (A) Axial FLAIR image did not reveal any optic nerve or intraorbital lesion. (B) Coronal T1-weighted image after gadolinium injection did not show abnormal enhancement or enlargement of chiasm.
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F3
Repeat MRI failed to identify any optic nerve lesion or evidence of multiple sclerosis (MS; Fig. 3).