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Uploaded on Aug 16, 2010
Neuromyelitis Optica or NMO is an autoimmune disorder which affects the optic nerves and the spinal cord. Also known as Devic's disease, it can lead to blindness, respiratory failure, paraplegia, and death. In this video, Sean Pittock, M.D., a Mayo Clinic neurologist discusses the symptoms of NMO as well as the advances that have been made in the research regarding NMO. To learn more about NMO, visit mayoclinic.org/neuromyelitis-optica.