有晶状体眼后房型人工晶状体植入术矫正高度近视视觉质量评估

Visual quality after implantation of posterior chamber phakic intraocular lens for high myopia

目的评估有晶状体眼后房型人工晶状体（implantablecontactlens，ICL）植入术矫正高度近视后视力、对比敏感度和主观视觉质量情况。方法对2011年6月至2012年6月在成都军区总医院眼科就诊的20例（40只眼）高度近视患者行ICL植入术。术前及术后分别检查裸眼视力（UCVA）、最佳矫正视力（BCVA）、屈光度、无眩光对比敏感度和眩光对比敏感度，并进行满意度问卷调查。结果术后1个月和6个月UCVA和BCVA均明显高于术前差异有统计学意义（P〈0．05）。术后1个月屈光度（-0．54±0．60）D与术后6个月（-0．56±0．22）D差异无统计学意义（P〉O．05）。无眩光对比敏感度和眩光对比敏感度在术后1个月和6个月时6．0、12．0和18．0cpd各频率段对比敏感度值与术前相比均显著提高，差异有统计学意义（P〈0．05），术后6个月和术后1个月相比各频率段差异均无统计学意义（P〉0．05）；无眩光对比敏感度值和眩光对比敏感度值，在术前、术后1个月和术后6个月各时间段，两者间各频率段差异均无统计学意义（P〉0．05）；满意度问卷调查，其满意度达100％。结论ICL植人手术，术后患者视觉质量全面提高，是在高度近视患者中值得广泛推广的手术方式。

Objective To assess the clinical outcomes about the visual quality of implantable con- tact lens implantation for high myopia. Methods Forty eyes with high myopia of 20 patients that un- derwent ICL （STAAR Surgical, Switzerland） implantation were examined. Refraction, visual acuity, con- trast sensitivity （CS） with and without glare were evaluated at 1 month and 6 months postoperatively. Results Significant improvement in uncorrected visual acuity （UCVA） and best-corrected visual acu- ity （BCVA） were found at 1 month and 6 months postoperatively （P 〈0.05）. The refraction at 1 month （-0.56±0.59D） and 6 months （-0.56±0.22D） postoperatively were no significant difference （P 〉 0.05）. The CS with and without glare were all significantly better than pre-operation for 6, 12 and 18 cycles/degree （P 〈0.05）, but there were no significant difference between 1 month and 6 montha. No significant difference between the CS with and without glare for 3, 6, 12 and 18 cycles/degree were found preoperatively, 1 month and 6 months postoperatively （P 〉0.05）. The satisfaction of all the patients was 100%. Conclusions The ICL perform well in correcting high myopia during a 6 months observation period, suggesting its viability as a surgical option for the treatment of such eyes.