Dear Editor, The clinical armamentarium of neuromyelitis optica spectrum disorders (NMOSD) has gradually evolved over the years, encompassing variable involvement of the brain and spinal cord. Episodes of optic neuritis… Click to show full abstract
Dear Editor, The clinical armamentarium of neuromyelitis optica spectrum disorders (NMOSD) has gradually evolved over the years, encompassing variable involvement of the brain and spinal cord. Episodes of optic neuritis and transverse myelitis are the most common presentations that often pose a diagnostic challenge in differentiating it from multiple sclerosis (MS).[1] The usual cause of vision loss in a patient with NMOSD is optic neuritis, which is more severe and often bilateral as compared to multiple sclerosis.[2] Cortical blindness in NMOSD without optic neuritis is very rare.[3,4]
               
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