Optic Neuritis: How Multiple Sclerosis Affects Your Eyes and Vision
Optic neuritis is a condition caused by inflammation to the optic nerve, causing blurred or double vision. Optic neuritis can be a symptom of MS and, though often not resulting in blindness, can often have a powerful affect on those with the condition.
What is optic neuritis?
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According to ADAM Medical Encyclopedia, optic neuritis is "inflammation of the optic nerve; it may cause sudden, reduced vision in the affected eye." Though the exact cause is unknown, sudden swelling of the optic nerve – including damage to the myelin sheath surrounding the nerve – can result in disturbances in vision.