History of vertigo, numbness, and weakness. HTN, POAG, Retinal detachment OS status post laser who presents for follow-up for optic disc pallor versus cupping. Orbits: There is volume loss and high T2 signal in the posterior orbital segment and canalicular segment of the right optic nerve. The right globe, extraocular muscles, and lacrimal gland are unremarkable. There is no evidence of intraorbital mass or abnormal enhancement. The left orbit is unremarkable.Brain: There is no evidence of intracranial hemorrhage, mass, or acute infarct. There is minimal nonspecific cerebral white mater T2 hyperintensity. There is no abnormal intracranial enhancement. The ventricles and basal cisterns are normal in size and configuration. There is no midline shift or herniation. The major cerebral flow voids are intact. The skull and scalp soft tissues are unremarkable. There is a small right maxillary sinus retention cyst.
1. Right optic nerve atrophy may be secondary to a prior ischemic event.2. No evidence of demyelinating lesions, mass, or acute infarction.