Presumed bilateral optic nerve sheath meningiomas presenting as optic neuritis.

A 30-year-old man who developed acute blurred vision in the right eye and right periocular pain on eye movement proved to have a bilateral optic neuropathy and imaging evidence suggestive of bilateral optic nerve sheath meningiomas. This is an unusual presentation for optic nerve meningioma but a reminder that this entity may mimic optic neuritis.

Sawaya RA, Sidani C, Farah N, Hourani-Risk R.

Department of Neurology, American University of Beirut Medical Center, Beirut, Lebanon. rs01@aub.edu.lb