This article on Medical News Today is the first time I’ve heard of Devic's disease or neuromyelitis optica. And it sure does sound a lot like Multiple Sclerosis.
Mayo Clinic Neurologist Reports: "Thousands Of NMO Patients Are Misdiagnosed With Multiple Sclerosis"
NMO is a rare and debilitating disease that attacks the optic nerves and spinal cord, often causing vision loss, paralysis of legs and arms, and sensory disturbances.
Making the distinction between MS and NMO has been greatly assisted by Mayo Clinic's recent discovery of this NMO antibody. In fact, this is the first biomarker that has shown to be sensitive and specific for any central nervous system (CNS), inflammatory demyelinating disease.
At the conference, Mayo Clinic Neurologist Dean Wingerchuk, M.D., also reported that the prevalence and incidence of NMO have not been firmly established. Based on current data, in aggregate, it suggests that there are likely more than 4,000 people with NMO in the United States.
Excuse me for nitpicking, but I couldn’t help comparing these two sentences in the same article. "Thousands Of NMO Patients Are Misdiagnosed” and “there are likely more than 4,000 people with NMO” Makes me ask myself, now how many 1000’s are there in 4000?