Optic Nerve Sheath Fenestration

A surgical procedure performed by a neuro-ophthalmologistMedical doctor who specializes in neurological conditions that affect vision. They can diagnose and treat conditions related to the optic nerve. where an incision is made to the optic nerve sheath to allow cerebrospinal fluidFluid that is made by specialized cells in the ventricles of the brain. to pass around the optic nerve freely. It is performed to decompress the optic nerve from the elevated pressures caused by IIH to the optic nerve to prevent permanent blindness.