一.前言机械性眼外伤中,白内障发病率很高,近年各地的报告中除个别地区外,国内各地均在20%以上,有的地区达40%以上。在眼球穿通伤中,致伤物可改晶状体囊膜破裂,皮质纤维水肿、分离、变性而混浊;同时也合并眼穿通时之震荡损伤,故临床可见晶状体前囊膜破裂合 I. Preface Mechanical ocular trauma has a high incidence of cataracts. In recent years, except for some regions, the reports from all over the country have been above 20% in all parts of the country and over 40% in some regions. In the eye through the injury, the injury can change the lens capsular rupture, cortical fiber edema, separation, degeneration and opacity; also combined with eye injury when the puncture injury, it can be seen in the clinical anterior capsule rupture