论文部分内容阅读
目的探讨周边虹膜切除在恢复角膜伤口中嵌顿虹膜的作用。方法眼球穿孔伤和眼球破裂后,虹膜在角膜伤口中嵌顿,对手术中应用虹膜恢复器及黏弹剂虹膜仍不容易恢复者66例(66眼),在离开伤口3mm的上方或下方角膜缘做侧切口,切除周边虹膜成一小孔,降低后房压力后恢复虹膜。结果所有患眼术后视力均较术前有明显提高,术中虹膜均完全恢复,晶状体没有进一步损伤。术后发生虹膜前粘连3眼,发生虹膜后粘连5眼,瞳孔轻度变形。瞳孔保持圆形或近似圆形者58眼。发生继发青光眼6眼,经药物治疗后眼压恢复正常。粘连性角膜白斑3眼。结论周边虹膜切除可降低了眼球后房的压力,虹膜前后压力差减小,使恢复困难的嵌顿虹膜变得较容易恢复。
Objective To investigate the effect of peripheral iridotomy in restoring corneal wounds. Methods After penetrating the eyeball and rupturing the eyeball, the iris was incarcerated in the corneal wound. Sixty-six cases (66 eyes) were still not easily recovered by using the iris recovery device and the viscoelastic iris during the operation. After leaving the wound above or below the 3mm wound, Edge margin to do side incision, remove the surrounding iris into a small hole, reducing the pressure after the recovery of the iris iris. Results All patients with postoperative visual acuity were significantly improved compared with preoperative, intraoperative iris were fully restored, the lens without further damage. Postoperative iris anterior adhesions occurred in 3 eyes, 5 occurred after the iris adhesions, pupil mild deformation. 58 pupil remains circular or nearly circular. Secondary glaucoma occurred in 6 eyes, after treatment of the drug returned to normal. Adhesive corneal leukoplakia 3. Conclusion Peripheral iridotomy can reduce the pressure of the posterior chamber of the eye and decrease the pressure difference before and after the iris, which makes it easier to recover the dysfunctional iris.