虹膜定位联合波前像差引导LASIK与常规波前像差引导LASIK治疗近视的疗效对比分析  

Comparison and analysis of curative effects between iris localization combined with wavefront aberration guided LASIK and traditional wavefront aberration guided LASIK for myopia

作　　者：聂晓丽[1] 刘苏冰[1] 辛宝莉[1] 买志彬[1] 唐秀霞[1] 汪洋[1] 

机构地区：[1]武警河南总队医院眼科,河南省郑州市450052

出　　处：《眼科新进展》2009年第9期697-699,共3页Recent Advances in Ophthalmology

摘　　要：目的对比观察虹膜定位联合波前像差引导准分子激光原位角膜磨镶术(laser in situ keratomileusis,LASIK)与常规波前像差引导LASIK治疗近视的临床疗效。方法选取在我院接受LASIK的近视患者51例(102眼),将所有患者随机分为2组,试验组26例(52眼),对照组25例(50眼)。试验组接受引进虹膜识别定位技术联合波前像差引导LASIK,对照组接受常规波前像差引导LASIK,对2组患者术后1个月、3个月的裸眼视力、高阶像差、屈光度、对比敏感度等进行比较。结果试验组术中眼球旋转为4.86°±2.82°,瞳孔中心移位:X轴平均移位为(0.16±0.08)mm,Y轴平均移位(0.12±0.06)mm;术后3个月时的裸眼视力试验组63.4%患者优于其术前戴镜矫正视力,而对照组52.0%患者优于术前戴镜矫正视力;2组患者术后高阶像差均较术前增加,但术后2组比较差异无统计学意义(P>0.05);2组各时间点术后屈光度比较差异均无统计学意义(P均>0.05);2组术后1个月时对比敏感度均较术前下降,高空间频率12.0c.d-1、18.0c.d-1下降明显(P均<0.05),术后3个月时各空间频率对比敏感度均恢复至术前水平;术后问卷表示"满意"和"非常满意"者试验组为50眼(96.1%),对照组为46眼(92.0%)。结论虹膜定位联合波前像差引导的LASIK的术后视觉质量略优于常规波前像差引导的LASIK。Objective To compare the clinical results between iris localization combined with wavefront aberration guided LASIK and traditional wavefront guided LASIK for myopia. Methods Fifty-one myopic patients （102 eyes）, who received LASIK in our hospital, were randomly divided into two groups：experimental group （25 cases,52 eyes） and control group （25 cases,50 eyes）. The experimental group received iris localization combined with wavefront aberration guided LASIK, and the control group received traditional wavefront guided LASIK. The naked visual acuity, higher order aberration, diopter and contrast sensitivity were compared between two groups at postoperative 1 month and 3 months. Results In experimental group, the intraoperative rotated angle of eyeball was 4.85° ±2.82°. The mean pupil centric shift was （0. 15 ±0.08）mm in the X axis,and （0.12 ±0.05）mm in the Y axis. Postoperative naked vision acuity at 3 months higher than preoperative best corrected visual acuity was 53.4% inexperimental group, and 52.0% in control group. The postoperative higher order aberration was higher than that preoperatively in both two groups,but there was no significant difference between the two groups postoperatively（P 〉 0.05 ）. No significant difference was found in diopter between two groups at each time point postoperatively（ both P 〉 0.05 ）. At postoperative 1 month, contrast sensitivity of both two groups decreased compared with that preoperatively, and decreased significantly under high spatial frequency 12.0 c ·d ^- 1,18.0 c ·d ^- 1 （ both P 〈 0.05 ）. Contrast sensitivity recovered to the level as that at preoperation under each spatial frequency at postoperative 3 months. The rates of showing satisfactory and very satisfactory were 50 eyes（96.1% ） in experimental group and 45 eyes（92.0% ） in control group in questionnaire postoperatively. Conclusion Patients undergoing iris localization combined with wavefront aberration guided LASIK have slightly better postoperative visual ru

关 键 词：近视 虹膜定位 波前像差 准分子激光原位角膜磨镶术 

分 类 号：R778.1[医药卫生—眼科]