27 year old woman with blurred central vision OS and headache

Abstract

The patient is a 27 year old woman with a history of blurred vision in the left eye for 10 days and severe periorbital headache OS. She noted that the pain worsened somewhat with eye-movements. She had been diagnosed by her primary care provider as having optic neuritis. The patient sought a second opinion at the Massachusetts Eye and Ear Infirmary.