Abstract
Optic neuritis (ON) is a self-limiting condition caused by inflammation-driven demyelination process affecting the optic nerve. Main clinical features are sudden, unilateral worsening of visual acuity, colour vision disturbance, visual field defects and motion-induced ocular pain. Spontaneous recovery appears usually within up to 8 weeks. It is a frequent initial manifestation of multiple sclerosis. Treatment of optic neuritis remains controversial, although many clinical trials have been conducted to establish firm therapeutic guidelines. The most relevant clinical trial is the Optic Neuritis Treatment Trial (ONTT), proving three days intravenous methylprednisolone therapy is not able to change the long-term prognosis, however improving visual recovery, what became a therapeutic option in monocular patients, patients with significant visual field loss, as well as those with professional requirements of fast visual recovery. The ONTT showed that 15-year risk of developing multiple sclerosis was 50 % regardless of the treatment regimen. Oral corticosteroids are recommended for treatment of acute optic neuritis.
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