Left eye blurry vision, NMO Orbits: There is mild T2 hyperintensity and enhancement involving the left optic nerve from the mid intraorbital level extending posteriorly to the prechiasmatic portion. Appearance is less extensive compared to 9/16/2013. The right prechiasmatic optic nerve and small portion of the intraorbital optic nerve demonstrate mild T2 hyperintensity and volume loss. The optic chiasm appears to be uninvolved. The globes and extraocular muscles are otherwise unremarkable. Brain: No brain abnormal parenchymal enhancement or signal abnormality to suggest demyelinating disease in the brain. There is no evidence of acute infarct. There is no midline shift or herniation. There is unchanged cavum septum pellucidum and vergae, but no evidence of hydrocephalus. The major cerebral flow voids are intact. The skull, paranasal sinuses, and mastoid air cells appear unremarkable.
1. T2 hyperintensity and enhancement involving the left optic nerve from the mid intraorbital level extending posteriorly to the prechiasmatic portion is less pronounced than 9/16/2013 but suggestive of recurrent optic neuritis. Otherwise, no evidence of brain parenchymal signal abnormality or enhancement.2. Mild right optic nerve atrophy is unchanged. 