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 \r Optic nerve sheath fenestration is performed to manage papilledema causing progressive loss of vision , due to raised intracranial pressure from Idiopathic .\r \r 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 \r Optic nerve sheath fenestration can be done in select case.
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