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Orbital fracture is a breakage in the bone in the eye socket which can involve the rim the floor or even both.
Orbital floor bones. In elderly people these breaks may result from a fall that causes their cheek to hit a piece of furniture or other hard surface. This is typically caused by a direct blow to the central orbit from a fist or ball. The floor is likely to collapse because the bones of the roof and lateral walls are robust. Orbital floor fracture a blow to the rim of the eye socket pushes the bones back which causes the bones of the orbit floor to buckle downward.
Near the middle of the floor located infraorbital groove which leads to the infraorbital foramen. 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 when a blow or trauma to the orbital rim pushes the bones back causing the bones of the eye socket floor buckle to downward. It separates the floor from the lateral wall and provides passage for several neurovascular structures.
However the nasal side and the floor of the socket is paper thin in many regions. Etiology fractures of the orbital floor are common. A blowout fracture of the orbital floor is defined as a fracture of the orbital floor in which the inferior orbital rim is intact. The floor inferior wall is formed by the orbital surface of maxilla the orbital surface of zygomatic bone and the minute orbital process of palatine bone.
Treatment for orbital fracture comprises of surgery in severe cases and ice packs rest and antibiotics in mild fractures. Epidemiology the blowout fracture is t. 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 all. The orbital surface of the maxilla makes up most of it while small portions of the zygomatic and palatine bones make up the rest.
This fracture can also affect the muscles and nerves around the eye keeping it from moving properly and feeling normal. Medially near the orbital margin is located the groove for nasolacrimal duct. About 85 of traumatic eye injuries including eye socket fractures happen by accident during contact sports at work in car crashes or while doing home repair projects. Direct orbital floor fracture if an orbital rim fracture extends into nearby parts of the eye socket floor both the rim and the socket floor are fractured.
The most important landmark of the floor is the inferior orbital fissure.
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