Pronounced: op-TIK nu-RI-tis
The optic nerve allows you to see by carrying images from your eye to your brain. Optic neuritis involves swelling 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.
The cause of optic neuritis is often unknown. Known causes of the diseases include:
Risk factors that increase your chanced of developing optic neuritis include:
Symptoms of optic neuritis include:
Eye pain will often go away within a few days. Vision problems will improve in over 90% of patients. Some patients 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 (brain and nervous system specialist).
Your doctor may need to test your eye function. This can be done with:
Your doctor may need to test your body fluids. This can be done with:
Your doctor may need pictures of your body structures. This can be done with an MRI scan
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 is no known way to prevent optic neuritis the first time it happens. The chance of having it again may be reduced if the first episode is treated with a steroid or other medicine. It is important to see a doctor right away if you develop pain or decreased vision.
American Academy of Opthalmology
North American Neuro-Ophthalmology Society
Canadian Association of Optometrists
Canadian Ophthalmological Society
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Last reviewed March 2013 by Rimas Lukas, MD
Last Updated: 3/15/2013