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不同位置透明角膜切口白内障超声乳化术后散光分析

吴娜   

  1. 天津市第一中心医院
  • 收稿日期:2012-05-22 修回日期:2012-09-25 出版日期:2013-02-15 发布日期:2013-02-15
  • 通讯作者: 吴娜

Different Position of Clear Corneal Incision Phacoemulsification Postoperative Astigmatism Analysis

WU nq   

  • Received:2012-05-22 Revised:2012-09-25 Published:2013-02-15 Online:2013-02-15
  • Contact: WU nq

摘要:

【摘要】目的 比较不同位置透明角膜切口白内障超声乳化术后散光情况。方法 选择行透明角膜切口超声乳化白内障吸除联合人工晶体植入术的年龄相关性白内障患者70例(70眼)为研究对象,分成A、B 2组,A组35眼选择在颞上方(右眼)或鼻上方(左眼)的切口,B组35眼按照角膜曲率引导下角膜最大子午线轴向做透明角膜切口,分别于术前,术后1周、1个月及3个月随访,行验光及角膜地形图检查,记录并比较2组术后矫正视力、角膜散光度及角膜散光轴向。结果 2组术后不同时间点矫正视力与术前比较均明显提高,差异均有统计学意义;2组术后1周角膜散光度均高于术前,差异均有统计学意义,术后3个月角膜散光度与术前差异无统计学意义;A组术后角膜散光度高于B组。2组均是术前逆规性散光多于顺规性散光,术后1周65%以上出现顺规性散光,术后1个月、3个月顺规性散光逐渐减少,逆规性散光增加,回复至术前。结论 选择角膜最大散光子午线方向做切口,可有效减少术后散光,术后出现顺规性散光向逆规性散光转化的现象。

关键词: 切口, 角膜散光, 白内障超声乳化吸出术

Abstract: Different Position of Clear Corneal Incision Phacoemulsification Postoperative Astigmatism Analysis Wu Na Zhang Rui. The First Center Hospital,Tianjin,300192,China Abstract Objective:Comparison of different position of clear corneal incision phacoemulsification and astigmatic changes after operation. Methods:The age-related cataract patients in 70 cases (70 eyes) were divided into two groups, group A patients using temporal above ( right) or nasal incision above (left), B group according to the curvature of the Cornea Corneal radial axial do under the guidance of the largest clear corneal incision. All the patients underwent phacoemulsification combined with intraocular lens implantation after operation respectively,1 weeks,1 months, and 3 months follow-up of patients,patients were examined for vision and corneal topography . Results: After 3months in B group than these in A group of uncorrected visual acuity,B group of patients after 1 weeks of corneal astigmatism changes less than group A. Conclusion: According to the cornea diopter axial orientation maximum radial make clear corneal incision phacoemulsification on postoperative corneal astigmatism, the impact of small, can achieve early refractive stability.

Key words: Incision, Corneal astigmatism, Cataract phacoemulsification