"Blow out" Fracture of orbit involve-
* "The Most common site for a blowout fracture to occur is the posteromedial aspect of the orbital floor, medial to the Infraorbital neurovascular bundle where the maxillary bone is very thin". Ref:Clinical ophthalmology 5th/e p.1129
Floor
Medial wall
Lateral wall
Roof
Ocular trauma 