Structure passing through superior orbital fissure?

Ans. is 'd' i.e., All of the above Structures passing through superior orbital fissure are :-Middle pa (within the ring) Upper and lower division of oculomotor nerve, nasociliary nerve, abducent nerve.Lateral pa (above the ring) :- Trochlear nerve, frontal nerve and lacrimal nerve, superior ophthalmic vein, recurrent menigeal branch of lacrimal aery, orbital branch of middle meningeal aery and sometimes meningeal branch of ophthalmic aery. Medial pa (below the ring) :- Inferior ophthalmic vein, sympathetic nerves around ICA.