Medisage Academy Quiz

A 62-year-old male arrives at the emergency department with a 5-day history of abrupt visual impairment in his left eye. Before going to sleep that evening, the patient claims he awoke with the impairment and had his normal baseline vision. He has hypertension, for which he takes lisinopril 20 mg at night, and type 2 diabetes, for which he takes metformin 1 g daily.