NMO
Neuromyelitis Optica
Plain-language definition
An autoimmune disorder attacking the optic nerves and spinal cord, associated with AQP4 antibodies. Requires different treatment than MS.
Read our full article on Neuromyelitis Optica (NMO/Devic's Disease).
Where this term comes up
“Optic neuritis raises two separate questions: how the current eye episode should be treated, and whether the pattern suggests multiple sclerosis (MS), MOGAD, NMO, infection, inflammation, or another cause.”
Guide · Optic Neuritis and MS Risk - Understanding Your Diagnosis
“It's commonly used for acute optic neuritis, NMO attacks, and other severe inflammatory conditions.”
Medication · Methylprednisolone (IV Steroids)
“MS-related optic neuritis, neuromyelitis optica (NMO), MOG antibody disease, infection, and other inflammatory diseases can differ substantially in prognosis and treatment.”
Condition · Optic Neuritis
- Category
- Condition, finding, or disease process
- Also written as
- No alternate forms listed.
Pathology terms describe diseases, tissue changes, exam findings, or complications that can affect vision or eye comfort.
Related glossary terms
A note on medical context
A glossary definition can explain a word, but it cannot tell you whether a symptom or test result is serious. If this term came from an article, use the full article and your clinician's guidance for context.