Optic Neuritis Causes & Risks

Causes

The cause of optic neuritis is often unknown. Known causes of the diseases include:

An attack on the optic nerve by a viral infection or by the body's own immune system
Exposure to toxic substances such as lead

Risk Factors

The following factors increase your chance of developing optic neuritis. If you have any of these risk factors, tell your doctor:

A personal or family history of multiple sclerosis
A previous history of optic neuritis

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