外伤性虹膜根部离断多见于钝挫伤,由直接或间接外力经眼睑作用于眼球所致。我们采用简易的无切口缝合术治疗,效果满意,兹予介绍。操作方法 0.5％地卡因粘膜麻醉,常规消毒,开大睑裂。先在角膜上找出进针点A(图1,此点 Iris traumatic rupture of the more common in blunt trauma, by direct or indirect external force caused by the role of the eyelid on the eye. We use a simple incision suture treatment, the effect is satisfactory, hereby give an introduction. Method 0.5% dexamethasone mucosal anesthesia, routine disinfection, open palpebral fissure. First in the cornea to find the needle point A (Figure 1, this point