2.2mm透明角膜切口飞秒激光白内障超声乳化手术术源性散光的临床研究

发布时间：2018-05-07 18:35

  本文选题：飞秒激光 + 术源性散光　； 参考：《山西医科大学》2017年硕士论文

【摘要】：目的:观察飞秒激光辅助白内障超声乳化手术中2.2mm透明角膜切口引起的术源性散光(SIA)影响因素。方法:前瞻性研究。纳入2014年3月至2016年4月期间,在山西省眼科医院白内障一科行飞秒激光辅助下白内障超声乳化手术的患者84例(105眼),测量并记录患者术前,术后1个月、3个月、6个月的裸眼视力(UCVA),球镜度和角膜地形图数据。视力记录为log MAR视力,使用Alpins矢量分析法计算SIA。并从术后随访时间(术后1、3、6个月3个时间点)、晶状体核硬度(分Ⅱ、Ⅲ、Ⅳ级核3组)、角膜散光类型(分顺规、逆规、斜轴组3组)、眼别(左眼、右眼组2组)4个方面分析SIA。符合正态性分布的数据的比较使用重复测量的方差分析,以P0.05为差异有统计学意义。结果:84例(105眼)患者UCVA术前为0.65±0.24,术后1、3、6个月为0.07±0.02、0.06±0.01、0.06±0.01。手术前后比较差异有统计学意义;术后各时间点比较差异无统计学意义。术后1、3、6个月SIA分别为0.28±0.11D、0.25±0.13D、0.24±0.10D;3个时间点比较差异无统计学意义。按晶状体核硬度分组从时间上及组别间比较均无统计学意义;顺规组、逆规组、斜轴组3组从时间上及组别间比较差异均无统计学意义;右眼组与左眼组从时间上及组别间比较差异均无统计学意义。结论:2.2mm角膜切口飞秒激光辅助白内障超声乳化手术能够提供稳定的术源性散光,同时显著提高患者术后裸眼视力,且术源性散光与裸眼视力自术后1个月起保持稳定。
[Abstract]:Aim: to observe the influencing factors of surgical astigmatism induced by 2.2mm transparent corneal incision in femtosecond laser assisted phacoemulsification. Methods: prospective study. From March 2014 to April 2016, 84 patients with phacoemulsification underwent femtosecond laser assisted phacoemulsification in Department of Cataract, Shanxi Ophthalmology Hospital. 1 month, 3 months and 6 months after operation, the uncorrected visual acuity (UCVA), ball endoscopy and corneal topography were observed. Visual acuity was recorded as log MAR, and Alpins vector analysis was used to calculate the visual acuity. SIAs were analyzed from four aspects: postoperative follow-up time (1: 3, 6 months), hardness of lens nucleus (divided into 鈪，

本文编号：1858020