• Two patients were seen. One had chronic monocular choked disc, visual loss, and optociliary veins; the other had optic atrophy and a left-sided frontotemporal porencephalic cyst. Both patients were found on pathologic examination to have arachnoid cysts involving a localized segment of the intraorbital optic nerve.
Miller NR, Green WR. Arachnoid Cysts Involving a Portion of the Intraorbital Optic Nerve. Arch Ophthalmol. 1975;93(11):1117-1121. doi:10.1001/archopht.1975.01010020835001