الفهرس 
Anatomy of the orbitOnly 14 pages are availabe for public view
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Abstract
Radiographic evaluation is crucial in patient with orbital trauma for assessment of osseous and soft tissue structures including the eye balls. This is especially important when an accurate clinical examination and history are limited because of soft tissue swelling, superimposed craniofacial injury or impaired neurological status The lack of thorough ophthalmic examination prevents early comprehensive treatment as patients with major trauma and facial injuries have a high risk of vision-threatening injury. A correct investigation can establish the diagnosis and early surgery gives a full recovery of the symptoms.The goal of the radiological work-up is to define the number and exact location of the fractures, to determine if there is any depression,elevation, or distraction of the fracture fragments, and to assess concomitant soft tissue complications.Clinical decision making depends on a thorough understanding of the clinical findings in an injury and its anatomic features as delineated on imaging. Imaging assists in treatment & planning of comprehensive surgical repair This study was conducted on 50 patients with orbital trauma; 43 males and 7 females with age ranging between 2 and 60 years. All patients underwent complete history taking and full ophthalmic examination then CT examination of the orbit was done for all patients The male to female ratio was 6.1: 1.0 and the most affected age occurred in the 11-20Ys age group in males and in the 21-30 Ys age group in females. No female affection occurred above the age of 40 years.Accidents including cars and motor cycle accidents represented the most common cause of orbital trauma (48 %), followed by penetration by sharp object (20%).The most common presentation was pain (56 %) followed by loss of consciousness (26%). Bilateral affection of both eyes occurred in 14%of our patients Orbital trauma was classified into bony orbital fractures which occurred in (71.9 %) and orbital soft tissues injuries which occurred in (59.6 %)Multiple orbital wall fractures were a common finding in orbital trauma. Medial wall was the most common site of fracture (65.9 %) followed by orbital roof (44 %) then lateral wall fracture (41.5 %) and the least common was floor fracture (22 %)Rupture globe was the commonest in orbital soft tissues injury (35.3 %) followed by preseptal edema (32.4 %)Paranasal sinuses injuries were the most common associated injuries with orbital trauma (46 %).