Central vision loss in a 44-year-old woman

A44-year-old woman presented to the emergency department following 1 week of sudden, painless, central vision loss in the left eye and 1 day of headache preceded by intermittent fl oaters and fl ashing lights. The headache was a dull, aching pain in the left temple. For the preceding 2 months, she had been treated by an outside ophthalmologist for bilateral anterior uveitis, unresponsive to topical prednisolone. She additionally noted recent hair loss and a rash on the palms. She denied light sensitivity, eye pain, trauma, blurred vision, fever, chills, chest pain, shortness of breath, abdominal pain, nausea, dizziness, blurred vision, or syncope prior to presentation.