الفهرس 
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Abstract
The aim of this work is to evaluate the role of ultrasound biomicroscopy in the diagnosis of intra-ocular abnormalities, following closed globe injuries.
In conclusion, UBM is an excellent method of imaging the anterior segment. It has been used to study anterior segment structures, tumors, to determine anterior chamber angle depth, to define the various mechanisms of glaucoma, and the effect of trauma on anterior segment structures, to evaluate peripheral posterior segment conditions, such as the anterior margin of peripheral choroidal tumors, ciliochoroidal detachment, and pars planitis .
Ultrasound biomicroscopy is a safe and important adjunctive tool for the clinical assessment and management of ocular trauma, especially when visualization is limited due to corneal opacity, inflammation, haemorrhage, or other disruption of intra-ocular tissues. In theses cases, UBM may be considered as the technique of choice in the evaluation of traumatic ocular pathologies.
Limitations to its use are: It is an expensive machine, it needs a learning curve, it can not be applied in cases of rupture globe or high risk of infection. Also, being limited to diagnose anterior segment structures, and to be combined with B-scan ultrasound in cases of opaque media for posterior segment evaluation.