Trochlear and abducent nerve pass through
Optic nerve runs backwards and medially, and passes through the optic canal to enter the middle cranial fossaInferior orbital fissure transmits maxillary nerve, the zygomatic nerve etc.Infraorbital foramen transmits the infraorbital nerve and vessels
Optic canal
Superior orbital fissure
Inferior orbital fissure
Infraorbital foramen