Multiple choice Nasociliary nerve enters the orbit through the superior orbital fissure the inferior orbital fissure foramen rotundum foramen ovale Reveal answer Fill a bubble to check yourself A Correct answer Explanation Nasociliary nerve is the 3rd main branch of the ophthalmic division. It enters the orbit through the superior orbital fissure. The branches of this nerve are divided into those arising in the orbit, in the nasal cavity and on the face.