A blowout fracture is a fracture of the walls or floor of the orbit
http://en.wikipedia.org/wiki/Blowout_fracture
Tse R, Allen L, Matic D. The white-eyed medial blowout fracture. Plast Reconstr Surg. Jan 2007;119(1):277-86. [Medline]. ... Burm JS, Chung CH, Oh SJ. Pure orbital blowout fracture: new concepts and importance of medial orbital blowout fracture. Plast Reconstr Surg. Jun 1999;103(7):1839-49. [Medline].
emedicine.medscape.com/article/1284026-overview
Hyphemas and Orbital Blowout Fractures ... Hyphemas and blowout fractures are serious eye injuries and medical emergencies. They are caused by significant blunt force trauma to the eye and face, such as getting hit by a bat, baseball, hockey stick or puck, or getting kicked in the face...
www.allaboutvision.com/conditions/eye-injuries.htm
xray2000 Nick\'s Website 3000+ xray images and Info ... Medial wall blowout fractures are potential sequelae of blunt periorbital trauma. Common causes for this type of medial wall fracture include fists, elbows, shoe kicks, baseballs, and tennis balls, all of which have a diameter greater than the orbital rim.
www.e-radiography.net/radpath/f/blowout_fracture/blowou... www.e-radiography.net/radpath/f/blowout_fracture/blowout_fracture.htm
A blowout fracture is a fracture of one or more of the bones surrounding the eye and is commonly referred to as an orbital floor fracture.
http://www.aapos.org/terms_faqs
Blowout fracture: Blowout fracture occurs when blunt trauma forces the orbital contents through the most fragile portion of the orbital wall, typically the floor. Medial and roof fractures also can occur.
www.merck.com/mmpe/sec21/ch313/ch313d.html
BACKGROUND: The most common orbital blowout fracture is a trapdoor type. ... BACKGROUND: The most common orbital blowout fracture is a trapdoor type. In many cases of trapdoor fracture, the bony segment has a stable hinge consisting of a greenstick fracture and the sinus mucoperiosteum that is attached to the intact...
www.medscape.com/medline/abstract/16163079
BACKGROUND: The buckling mechanism is widely accepted as a mechanism of blowout fractures, along with the hydraulic mechanism. ... This finding would be helpful in predicting fracture width in blowout fractures.
www.medscape.com/medline/abstract/16772944
Orbital blowout fracture: Symptoms include pain, especially with movement of the eyes; double vision that disappears when one eye is covered; and eyelid swelling after nose blowing. Swelling around the eye and bruising often occur.
www.emedicinehealth.com/eye_injuries/page3_em.htm
July 7, 2008 ... FIRST AID + EMERGENCIES ... Orbital blowout fractures: Prognosis depends on the nature and extent of the fracture. Some fractures require surgical repair.
www.emedicinehealth.com/eye_injuries/page11_em.htm