无论战时或平时,眼外伤的发病率日趋增多。前房积血是眼外伤最常见的表现。一、前房积血的原因与转归前睫状动脉的穿透支与后睫状动脉汇合形成虹膜大环,并发出较小血管支供应虹膜。当眼球遭受钝性挫伤后,前房压力突然升高,角膜缘扩张,房水向后和周边推动,虹膜及晶体向后移位,致使睫状体或虹膜损伤。睫状前表面的撕裂占前房积血病 Regardless of wartime or peacetime, the incidence of ocular trauma is on the rise. Hyphema is the most common manifestation of ocular trauma. First, the reasons for anterior chamber hemorrhage and prognosis before the ciliary branch perforating branch and the posterior ciliary artery confluence to form the iris ring, and issued a smaller vascular supply iris. When the eye suffered blunt contusion, anterior chamber pressure suddenly increased, limbal expansion, aqueous humor and peripheral promotion, iris and crystal shift backward, resulting in ciliary body or iris injury. Ciliary anterior surface tear accounted for anterior chamber hematosis