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机构地区:[1]天津市眼科医院 天津市眼科学与视觉科学重点实验室 天津市眼科研究所 天津医科大学眼科临床学院,300020
出 处:《中国实用眼科杂志》2015年第12期1327-1331,共5页Chinese Journal of Practical Ophthalmology
基 金:天津市卫计科委科技基金(重点)项目(2012KR17)
摘 要:目的观察2.0mm同轴微切口白内障超声乳化(microincision cataract surgery,MICS)吸除术后植入微切口预装式蓝光滤过非球面人工晶状体(IOL)的手术源性散光(surgically induced astigmatism,SIA)及囊袋内稳定性,并与传统3.0mm小切口白内障超声乳化(small—incision cataractsurgery,SICS)手术进行比较。方法回顾性系列病例研究。回顾性分析天津市眼科医院白内障中心于2012年10月至2013年1月白内障患者48只眼行超声乳化白内障吸除联合IOL植入术后1周及1月的随访资料。MICS组:26只眼植入微切口预装式一片式c形襻疏水性蓝光滤过丙烯酸酯非球面IOL(iSert1,HOYA)。SICS组:22只眼植入小切口预装式三片式C形襻疏水性蓝光滤过丙烯酸酯非球面IOL(PY60AD,HOYA)。使用Pentacam三维眼前节测量系统采集各眼Scheimpflug图像,测量散瞳后前房深度,角膜散光大小及轴向。使用Image—proplus6.0图像分析得出IOL的倾斜度和偏心值。采用裂隙灯数码照相机进行眼底红反光照相,评估IOL囊袋内的旋转情况。满足正态分布的行t检验。结果2组间术后1周SIA差异的比较有统计学意义(P=0.0243),而术后1月SIA差异的比较无统计学意义(P=0.189)。2组数值术后1月前房深度的差异存在统计学意义(P=0.0276),术后1周无统计学意义(P=0.413)。其中iSertl术后1周与术后1月比较有统计学意义(P=0.0362),PY60AD术后1周与术后1月比较无统计学意义(P=0.719)。IOL偏心与倾斜在水平和垂直方向上的数值差异均无统计学意义(P〉0.05),2组间术后1月与术后1周比较旋转度数的差异无统计学意义(P〉0.05)。结论微切口预装式蓝光滤过非球面IOL具有良好的囊袋内稳定性,由于iSert1采用2.0ram透明角膜切口植入,术后短期内SIA更小,有利于术后早期视力恢复。Objective To compare the surgically induced astigmatism (SIA) of 2.0mm coaxial microincision cataract surgery (MICS) with 3.0ram small-incision cataract surgery (SICS) with blue light-filtering aspheric intraocular lens (IOL) implantation. Methods Retrospective case series of 48 cataract eyes undertaken phacoemulsification and IOL implantation from October 2012 to January 2013. MICS: 26 eyes with 1-piece blue light-filtering aspheric intraocular lens by micro incision (iSert1, HOYA); SICS: 22 eyes with 3-piece blue light-filtering aspheric intraocular lens by small incision (PY60AD, HOYA). Anterior chamber depth after mydriasis, corneal astigmatism, tilt and deviation of IOLs were measured using Scheimpflug system (Pentacam, Oculus) and analyzed with Image-pro plus 6.0 software. Slit lamp anterior segment photography and photoshop7.0 analyzed IOL rotation. Follow up was 1 week and 1 month. Results A significant SIA difference was found 1 week after surgery (P 〈0.05), no significant difference was found 1 month after surgery (P 〉0.05). With dilated pupil, there was a significant difference a month after surgery (P 〈0.05). No significant difference was found 1 week after surgery (P 〉0.05). Deviation, tilt and rotation of IOLs between the two groups showed no statistical significance (P 〉0.05). Conclusions Preloaded blue light-filtering aspheric intraocular lens by micro incision causes smaller SIA, is favor for visual recovery in short-term postoeration.
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