![]() Optic neuritis disrupts this process, affecting vision. Normally, the myelin helps electrical impulses travel quickly from the eye to the brain, where they're converted into visual information. It's believed to develop when the immune system mistakenly targets the substance covering your optic nerve, resulting in inflammation and damage to the myelin. The exact cause of optic neuritis is unknown. You have unusual symptoms, including vision loss in both eyes, double vision, and numbness or weakness in one or more limbs, which can indicate a neurological disorder.Your symptoms worsen or don't improve with treatment.You develop new symptoms, such as eye pain or a change in your vision.Some can lead to permanent vision loss, and some are associated with other serious medical problems. ![]() Some people with optic neuritis report seeing flashing or flickering lights with eye movements.Įye conditions can be serious. You might notice that colors appear less vivid than normal. Optic neuritis often affects color perception. Side vision loss can occur in any pattern, such as central vision loss or peripheral vision loss. Noticeable vision loss usually develops over hours or days and improves over several weeks to months. Most people have at least some temporary reduction in vision, but the extent of loss varies. Sometimes the pain feels like a dull ache behind the eye. Most people who develop optic neuritis have eye pain that's worsened by eye movement.
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