Blowout Fracture Of The Orbital Floor
Ct scan demonstrates common findings of a blow out fracture with evidence of a depressed right orbital floor bottom.
Blowout fracture of the orbital floor. Orbital blowout fractures occur when there is a fracture of one of the walls of orbit but the orbital rim remains intact. The fragility of the orbital floor is eloquently considered in a chapter from ophthalmic care of the combat casualty coauthored by dr. What causes a blowout fracture. Epidemiology the blowout fracture is t.
Bruising and limited eye movements secondary to swelling are common clinical presentations top. An orbital blowout fracture is a traumatic deformity of the orbital floor or medial wall typically resulting from impact of a blunt object larger than the orbital aperture or eye socket most commonly the inferior orbital wall i e. This is a fracture of the paper thin floor of the eye socket with the bony rim surrounding the eye remaining intact. Getting hit with a baseball or a fist often causes a blowout fracture.
An example of a patient presenting with a right orbital floor blowout fracture. A blowout fracture is a break in the floor or inner wall of the orbit or eye socket. Orbital blowout fracture or indirect orbital floor fracture. The floor of the eye socket ruptures or cracks resulting in a small hole in the eye socket s floor which can trap some parts of the eye muscles and its surrounding.
The poor fragile floor. A crack in the very thin bone that makes up these walls can pinch muscles and other structures around the eye keeping the eyeball from moving properly. Orbital floor fractures may result when a blunt object which is of equal or greater diameter than the orbital aperture strikes the eye. Blowout fractures result from trauma to the orbital bones.
When an object hits the orbital bones usually the eye brow and upper cheek bone the force is transmitted to the bones. The floor is likely to collapse because the bones of the roof and lateral walls are robust. Any large object with force or speed can cause a blowout fracture. A blowout fracture of the orbital floor is defined as a fracture of the orbital floor in which the inferior orbital rim is intact.
If the force is great enough the bones buckle and break. The globe usually does not rupture and the resultant force is transmitted throughout the orbit causing a fracture of the orbital floor. The orbit or eye socket is the cavity of the skull that holds the eye. It is estimated that about 10 of all facial fractures are isolated orbital wall fractures the majority of these being the orbital floor and that 30 40 of.
The orbital floor and medial. Fractures of the orbital floor are common. An orbital blowout fracture is a fracture or break in the small bones that make up your eye. This is typically caused by a direct blow to the central orbit from a fist or ball.