What is Devic's disease? Devic's disease, also called neuromyelitis optica or NMO, is an immunological disorder that may be confused with multiple sclerosis (MS). Devic's disease is often characterized by immune attacks on the optic nerves (which transmit what you see to your brain) and the spinal cord.
Dec 15, 2017 · NMO is also known as neuromyelitis optica spectrum disorder or Devic's disease. It occurs when your body's immune system reacts against its own cells in the central nervous system, mainly in the optic nerves and spinal cord, but sometimes in the brain.
Neuromyelitis optica spectrum disorder (NMOSD), also known as Devic disease, is a chronic disorder of the brain and spinal cord dominated by inflammation of the optic nerve (optic neuritis) and inflammation of the spinal cord (myelitis). Classically, it was felt to be a monophasic illness.