optic neuritis
Findings
No curated finding names optic neuritis yet. Everything below is reference data from Mondo, HPO and GenCC, not evidence about what affects it.
Definition
Optic neuritis is inflammation of the optic nerve, the nerve that carries the visual signal from the eye to the brain.The conditionmay cause sudden, reduced vision in the affected eye(s). While the cause of optic neuritis is unknown, it has been associated with autoimmune diseases, infections, multiple sclerosis, drug toxicity and deficiency of vitamin B-12. Vision often returns to normal within 2-3 weeks without treatment. In some cases, corticosteroids are given to speed recovery. If known, the underlying cause should be treated.
Definition from the Mondo Disease Ontology (MONDO:0005885), read 2026-09-29. CC BY 4.0.
Features
1 feature
What the disease is reported to present with, and how often among people who have it — never how often a feature means the disease. HPO, hp/releases/2026-09-01.
- Visual lossMondoHP:0000572
Where it sits
- Located in (Mondo)