Abstract
A 43-year-old man presented with slowly progressive visual disturbance in the both eyes. One month prior to the visit, he had been drinking alcohol only and consuming little food. On examination, best-corrected decimal visual acuity in the right eye was 0.9 and in the left eye acuity was 0.3. Ophthalmoscopic examination revealed temporal pallor in both optic discs. Optical coherence tomography (OCT) revealed reduced circumpapillary retinal nerve fiber layer thickness in both eyes. Ganglion cell layer was also reduced centrally. Based on these findings, the patient was diagnosed with nutritional deficiency optic neuropathy due to unbalanced diet. OCT is a useful diagnostic examination for evaluation of nutritional optic neuropathy.
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