Optic neuropathy attributable to the Onodi cell mucocele occurs secondary to a mass on the optic nerve, ischaemia from compression of the vasa nervorum ... it without damaging the optic nerve. Primary ...

Ultrasonography measurement of the optic nerve sheath diameter (ONSD) is proposed as a non-invasive and quick measure to identify high ICP. The aim of this systematic review and meta-analysis will be ...