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Idiopathic Optic Perineuritis

Presentation

The swinging light test (or Marcus Gunn test) classically reveals a Marcus Gunn pupil, and fundoscopy may demonstrate diffuse optic disc swelling indicative of papillitis (will not be present if inflammation is solely retrobulbar) 1. [radiopaedia.org]

Treatment

Treatment and prognosis Typical optic neuritis is self-limiting, and recovery of vision usually begins within a few weeks of symptom onset 1. Response to therapy and severity also differ depending on the underlying cause. [radiopaedia.org]

Prognosis

Treatment and prognosis Typical optic neuritis is self-limiting, and recovery of vision usually begins within a few weeks of symptom onset 1. Response to therapy and severity also differ depending on the underlying cause. [radiopaedia.org]

Etiology

Etiology Optic neuritis can arise in the setting of many infective and non-infective conditions: non-infective multiple sclerosis (most common: 1 in 3 cases 8) neuromyelitis optica (NMO) anti-MOG associated encephalomyelitis sarcoidosis acute disseminated [radiopaedia.org]

Epidemiology

Scandinavia, United Kingdom, Canada), again, following the epidemiology of MS 3. A third of optic neuritis cases are due to multiple sclerosis 8. [radiopaedia.org]

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