外伤性睫状体断离的致伤因素和体征分布特点

目的分析外伤性睫状体断离的致伤原因以及临床分布特征，为全面和准确掌握外伤性睫状体断离的诊断提供线索和依据。方法回顾分析外伤性睫状体断离279例（279眼）。结果主要的致伤原因为拳击伤79例（28．32％），鞭炮致伤36例（12．90％），车祸伤27例（9．68％），石（木）块（棒）伤26例（9．32％）。不同前房深度和眼压组合的构成比：低眼压并浅前房155例（55．56％）；低眼压但正常前房64例（22．94％）；正常眼压但浅前房43例（15．41％）；正常眼压并正常前房17例（6．09％）。结论外伤性睫状体断离的主要外伤原因首推拳击伤，其后依次是鞭炮伤、车祸伤和石（木）块（棒）钝物击伤。对于诊断而言，低眼压并浅前房是主要的体征，但并不是必要的体征，部分伤眼的眼压和前房深度并不表现为上述变化．

Features of etiologies and signs on traumatic cyclodialysis cleft

Objective To evaluate the etiological features of traumatic cyclodialysis cleft and the clinical features. Methods 279 cases （279 eyes） of traumatic cyelodialysis cleft diagnosed Tongren Hospital from April 2001 to July 2007 were retrospectively reviewed. The baseline data on the causes of trauma, the interval from trauma to diagnosis, distribution ratio on age groups, the profile of anterior chamber （AC） , as well as the intraoeular pressure （IOP） were classified into four groups and assessed. Results The constituent ratio of fist fight, explosive firecracker, motor vehicle crash, blunt and sharp objects were respectively 28. 32%, 12.90% , 9.68%, 9.32% ,following causes involve kicking attack （4. 30%） , explosive, accident （ 3. 23%） , falling injury （2.87%） , and other varied miscellaneous causes （ 29. 39% ）. Commensurate with the ratio of each group, there are varied ratios ： （1） low IOP and shallow AC, 55.56% ; （2） low IOP but normal AC, 22.94% ; （3） shallow AC but normal IOP, 15.41% ; （4） normal AC and normal IOP, 6.09%. Conclusion Fist fight is the leading traumatic cause, other dominant injuries include, explosive firecracker, motor vehicle crash, blunt and sharp objects. Shallow AC combined with low IOP is dominant clinical signs, however, neither of the two could be regarded as necessary one for diagnosis. Ultrasonic biomicroscopic （UBM） images are much helpful to diagnosis.