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The optic nerve allows you to see by carrying images from your eye to your brain. Optic neuritis involves inflammation of the optic nerve. This may cause reduced vision or loss of vision. It is a serious condition that requires immediate care from your doctor.
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Optic neuritis has several causes. These include:
In some, the cause of optic neuritis may be unknown.
Factors that may increase your chance of optic neuritis include:
In some people, optic neuritis may not cause any visual problems. In those that have them, optic neuritis may cause:
Eye pain will often go away within a few days. Vision problems will improve in the majority of people. Some may be left with blurred, dark, dim, distorted vision, or complete visual loss. Vision usually improves over several weeks or months.
Optic neuritis may be difficult to diagnose. Your eye may look perfectly normal. Your doctor will ask about your symptoms and medical history. A physical exam will be done. It will include a neurologic examination. You may be referred to an ophthalmologist (eye specialist) or neurologist (nervous system specialist).
Your doctor may need to test your eye function. This can be done with:
Your doctor may need to test your bodily fluids. This can be done with:
Your doctor may need pictures of your internal bodily structures. This can be done with an MRI scan or optical coherence tomography (OCT).
Your doctor may also need to evaluate you for spinal cord problems. This can be done with a somatosensory evoked potentials test.
Talk with your doctor about the best treatment plan for you. Treatment options include:
There are no current guidelines to prevent optic neuritis.
Eye Smart—American Academy of Opthalmology
North American Neuro-Ophthalmology Society
Canadian Association of Optometrists
Canadian Ophthalmological Society
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Last reviewed September 2018 by EBSCO Medical Review Board Rimas Lukas, MD Last Updated: 9/30/2013