Optic Nerve Sheath Fenestration

This patient presented with chronic papilldema and was referred from a neurologist on a large dose of Diamox ( 2 grams ). Despite that his visual fields have .\r
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Optic nerve sheath fenestration is performed to manage papilledema causing progressive loss of vision , due to raised intracranial pressure from Idiopathic .\r
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Case of bilateral defective vision due to papilloedema secondary to tuberculoma of brain 1.Transnasal endoscopic route gives access to optic nerve from orbital .\r
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Optic nerve sheath fenestration can be done in select case.