Optic neuromyelitis

Optic neuromyelitis (NOM) is an acute or subacute demyelinating disease in which the optic nerve and the spinal cord are affected simultaneously or successively. Devic (1894) reviewed 16 cases and a death case he had seen, describing the clinical features of NOM as acute or subacute onset of blindness in one or both eyes, accompanied by a few days or weeks before or after Transverse or ascending myelitis, later known as Devic's disease or Devic's syndrome.

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