A patient present with enophthalmos after a trauma to face by blunt object.There is no fever and no extraocular muscle palsy. Diagnosis is:
Blow out fracture is isolated fracture of orbital floor, when a large blunt object strikes the globe. It presents with:Ecchymosis of lid, conjunctiva and scleraEnophthalmosDiplopia due to displacement of eye ballAnaesth esia of cheek and upper lip, if infraorbital nerve is involved.
Fracture maxilla
Fracture zygoma
Blow out fracture
Fracture ethmoid