2.2 mm与3.0 mm透明角膜切口白内障超声乳化吸除术对角膜屈光度和角膜散光的影响  

Corneal diopter and corneal astigmatismafter 2.2 mm versus 3.0 mm transparent corneal incision phacoemulsification

作　　者：鲍迅 林云志 朱靖 姚勇 Bao Xun;Lin Yunzhi;Zhu Jing;Yao Yong(Department of Ophthalmology,Wuxi People’s Hospital Affiliated to Nanjing Medical University,Jiangsu 214023,China)

机构地区：[1]南京医科大学附属无锡人民医院眼科,214023

出　　处：《临床眼科杂志》2021年第2期128-131,共4页Journal of Clinical Ophthalmology

摘　　要：目的比较两种不同类型透明角膜切口白内障超声乳化吸除联合人工晶状体植入术对角膜屈光度和角膜散光的影响,为改善患者视功能提供最优的手术方式。方法前瞻性双盲随机对照研究。选取我院行2.2 mm透明角膜切口白内障超声乳化吸除联合人工晶状体植入手术的白内障患者35例(35只眼)为研究组,同期行3.0 mm透明角膜切口手术的患者35例(35只眼)为参考组,手术前后用Pentacam眼前节测量仪测量两组患者的角膜屈光度、角膜散光。分析两组患者术前和术后4个月角膜前后表面屈光度、角膜前后表面散光、角膜总屈光度和总散光,分析两组患者手术前后各数值的变化。结果研究组手术前后角膜前表面屈光度及前表面散光比较差异均无统计学意义(P=0.468,0435),角膜后表面屈光度和后表面散光比较差异均有统计学意义(P=0.0005,0.017)。参考组手术前后角膜前表面屈光度及前表面散光比较差异均无统计学意义(P=0.758、0.476),角膜后表面屈光度及后表面散光比较差异均有统计学意义(P=0.023,0.005)。两组患者手术前后角膜前表面屈光度差值、角膜前表面散光差值比较分析后差异均无统计学意义(P=0.524,0.867),研究组手术前后角膜后表面屈光度差值、角膜后表面散光差值均小于参考组(P=0.003,0.025)。两组患者手术前后角膜总散光差异有统计学意义(P<0.05)。结论2.2 mm与3.0 mm透明角膜切口对角膜前表面屈光度和前表面散光的作用较小,但是对角膜后表面屈光度和后表面散光影响较大,且3.0 mm透明角膜切口对角膜后表面屈光度和后表面散光作用更大。Objective To investigate the influence of corneal diopter and corneal astigmatism with two sorts of transparent corneal incisions in phacoemulsification combined with IOL implantation surgery,so as to select the optimal surgical method for the enhancement of visual function.Methods 35 sick persons(35 eyes)were selected as research group,who underwent 2.2-mm transparent corneal incision phacoemulsification combined with IOL implantation surgery in our medical establishment.Meanwhile,35 sick persons(35 eyes)who received 3.0-mm transparent corneal incision surgery were selected as research group.Corneal diopter and corneal astigmatism of all the sick persons were monitored byPentacam Anterior Segment Survey Meter before and after surgery.Corneal anterior and posterior surface diopter,corneal anterior and posterior astigmatism,corneal total diopter,corneal total astigmatism were severally investigated between the two groups before surgery and 4 months after surgery.The changes of each element in two groups were analyzed respectively.Results The comparison of corneal anterior surface diopter and corneal anterior surface astigmatism before and after surgery in research group was not statistically significant(P=0.468,0435),The comparison of corneal posterior surface diopter and corneal posterior surface astigmatism was statistically significant(P=0.0005,0.017).The comparison of corneal anterior surface diopter and corneal anterior surface astigmatism before and after surgery in reference group was not statistically significant(P=0.758,0.476),the comparison of corneal posterior surface diopter and corneal posterior surface astigmatism before and after surgery was statistically significant(P=0.023,0.005).The difference of diopter and astigmatism on the corneal anterior surface before and after surgery was not statistically significant(P=0.524,0.867),the difference of diopter and astigmatism on the corneal posterior surface before and after surgery was smaller than that of the reference group(P=0.003,0.025).The difference

关 键 词：透明角膜切口 超声乳化 角膜屈光度 角膜散光 

分 类 号：R47[医药卫生—护理学]