A 57-year-old woman was transferred to Lahey Hospital and Medical Center emergency department from a community hospital for an ophthalmology evaluation due to acute, painless vision loss in the left eye upon wakening that morning.
The patient denied any recent trauma, illness or change in medication. Her medical history was significant for hypertension, hyperlipidemia and type 2 insulin-dependent diabetes. She was a former smoker, having quit 2 years prior. Her ocular history was significant for presbyopia in both eyes, and the last dilated examination performed 1 year prior showed no