A 29-year-old man presented at the Department of Health Eye Center, East Avenue Medical Center, Quezon City, for assessment of intermittent right-sided headache of 3 months’ duration and gradual progressive blurring of vision in the right for the previous year. He had never been examined by an ophthalmologist. He had no hypertension or diabetes but did have a 10-year history of hyperthyroidism, with thyroid hormone levels presently controlled. There was no history of ocular trauma. Family history was unremarkable for other health conditions.
