Optic neuritis
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| Optic neuritis | |
|---|---|
| File:Optic Neuritis.png | |
| Synonyms | N/A |
| Pronounce | N/A |
| Specialty | N/A |
| Symptoms | Vision loss, eye pain, dyschromatopsia |
| Complications | Multiple sclerosis, neuromyelitis optica |
| Onset | Typically between ages 20 and 40 |
| Duration | Weeks to months |
| Types | N/A |
| Causes | Autoimmune disease, infection, idiopathic |
| Risks | Genetic predisposition, viral infections, smoking |
| Diagnosis | Clinical examination, MRI, visual evoked potentials |
| Differential diagnosis | Ischemic optic neuropathy, Leber's hereditary optic neuropathy, neuromyelitis optica |
| Prevention | N/A |
| Treatment | Corticosteroids, plasma exchange |
| Medication | N/A |
| Prognosis | Generally good, but risk of multiple sclerosis |
| Frequency | 1-5 per 100,000 per year |
| Deaths | Rare |
Optic neuritis is an inflammation that damages the optic nerve, a bundle of nerve fibers that transmits visual information from your eye to your brain. Pain and temporary vision loss are common symptoms of optic neuritis.
Causes[edit]
Optic neuritis is linked to multiple sclerosis, a disease that causes inflammation and damage to nerves in your brain and spinal cord. In some people, signs and symptoms of optic neuritis may be the first indication of multiple sclerosis. Most people who have a single episode of optic neuritis eventually develop nerve problems in other parts of their body.
Symptoms[edit]
Optic neuritis usually affects one eye. Symptoms might include:
- Pain in the eye
- Loss of vision in the affected eye
- Field of vision defects
- Loss of color vision
- Flashing lights
Diagnosis[edit]
Optic neuritis is diagnosed based on symptoms, response to therapy, and the results of MRI scans. An MRI might reveal inflammation or damage to the optic nerve. In some cases, it might also reveal the presence of multiple sclerosis.
Treatment[edit]
Treatment for optic neuritis includes corticosteroids, which can help reduce inflammation and speed up recovery. In some cases, plasma exchange therapy might be used.
Prognosis[edit]
The prognosis for optic neuritis is generally good, with most people recovering normal vision within 12 months. However, some people may have a recurrence of optic neuritis, and it can be a sign of a more serious neurological disease, such as multiple sclerosis.
See also[edit]
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