autoimmune

Optic neuritis

Optic neuritis (ON) is a debilitating condition that is defined as of cranial nerve II which results in disruption of the neurologic pathways that allow visual information received by the to be able to be transmitted to the visual cortex of the brain. This disorder of the optic nerve may arise through various pathophysiologic mechanisms, such as through demyelination or inflammation, leading to partial or total loss of vision. Optic neuritis may be a result of standalone disease, but is often a manifestation that occurs secondary to an underlying disease.

Underlined words are explained — tap any of them.

Symptoms — what it feels like

·loss of vision, loss of colour vision, pain worsening on eye movements

Causes — why it happens

·, , vaccination, medication

How it's found

·Diagnostic criteria

Complications

·multiple , MOG-disease, NMO

Outlook

· depends on the subtype of ON

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Plain-language summary adapted from Wikipedia. Not medical advice.