<prompt> All nerve are involved in superior orbital fissuresyndrome except ?1t3rd4h6th  <response>: Ans. isa i.e., 1 Superior orbital fissure syndrome The superior orbital fissure is a cleft between the lesser and greater wing of sphenoid. The structures passed through superior orbital fissure are 3rd,4th,6rn nerve, ophthalmic division of Sth nerve, superior inferior division of ophthalmic vein and sympathetic fibres. Therefore symptoms of superior orbital fissure syndrome are same as in cavernous sinus thrombosis, i.e., painful ophthalmoplegia :- Pain retro-orbital pain and sensory disturbances in the V1ophthalmic division of 5th nervedistribution Ipsilateral ophthalmoplegia Ord 4th and 6th nerve involvement. 