All of the following are pas of optic nerve except
Answer- D. Intra cavernal PaOptic nerve is about 47-50 mm in length and can be divided into 4 pas :Intraocular pa (l mm)Intraorbital pa (30 mm)Intracanalicular pa (6-9 mm)Intracranial pa (10 mm)
Intraorbital Pa
Intracanlicular Pa
Cisternal Segment
Intra cavernal Pa