Fig. 3From: The effect of CSF drain on the optic nerve in idiopathic intracranial hypertensionIllustrates the changes in ON a and ONS b diameters as well as in T2 values c before and after normalization of CSF pressure. The normalization of CSF pressure did not induce a significant change in any of the three parameters (ON pĀ =ā0.130, ONS pĀ =ā0.798, T2 pĀ =ā0.310)Back to article page