[1]王彦,张嵘,叶向彧.Toric人工晶状体术后残余散光及手术源性散光(SIA)的临床观察[J].眼科新进展,2018,38(2):168-171.[doi:10.13389/j.cnki.rao.2018.0038]
 WANG Yan,ZHANG Rong,YE Xiang-Yu.Clinical observation of residual astigmatism and surgically induced astigmatism (SIA) after Toric intraocular lens implantation[J].Recent Advances in Ophthalmology,2018,38(2):168-171.[doi:10.13389/j.cnki.rao.2018.0038]
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Toric人工晶状体术后残余散光及手术源性散光(SIA)的临床观察/HTML
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《眼科新进展》[ISSN:1003-5141/CN:41-1105/R]

卷:
38卷
期数:
2018年2期
页码:
168-171
栏目:
应用研究
出版日期:
2018-02-05

文章信息/Info

Title:
Clinical observation of residual astigmatism and surgically induced astigmatism (SIA) after Toric intraocular lens implantation
作者:
王彦张嵘叶向彧
450016 河南省郑州市,郑州市第七人民医院眼科(王彦);350007 福建省福州市,福州眼科医院(张嵘,叶向彧)
Author(s):
WANG YanZHANG RongYE Xiang-Yu
Department of Ophthalmology,the 7th People’s Hospital of Zhengzhou(WANG Yan),Zhengzhou 450016,Henan Province,China;The Fuzhou Eye Hospital(ZHANG Rong,YE Xiang-Yu),Fuzhou 350007,Fujian Province,China
关键词:
角膜散光Toric人工晶状体术源性散光
Keywords:
corneaastigmatismToric IOLSIA
分类号:
R776
DOI:
10.13389/j.cnki.rao.2018.0038
文献标志码:
A
摘要:
目的 观察Acrysof Toric人工晶状体(intraocular lens,IOL)植入术后的残余散光及手术源性散光(surgically induced astigmatism,SIA)。方法 回顾分析2016年2月至2017年6月行白内障超声乳化吸出联合Acrysof Toric IOL植入的患者52例(62眼),于术前及术后1个月观察患者的裸眼视力、最佳矫正视力、综合验光、角膜曲率等,并计算出个体SIA、平均数SIA和centroid SIA。结果 术后目标残余散光为0.02~0.32(0.17±0.15)D,术后实际残余散光为0~1.50(0.49±0.37)D,差异有统计学意义 (P<0.05)。术前角膜散光值为0.93~3.70(1.94±0.75)D,术后角膜散光值为0.68~3.80(1.95±0.80)D。术后个体SIA为0.08~1.39(0.44±0.25)D,平均数SIA为0.44 D,centroid SIA为0.12 D@126°。结论 利用Barrett Toric公式及centroid SIA计算Toric IOL度数精确及稳定,但术后仍残留一定度数残余散光,SIA仍需进一步优化。
Abstract:
Objective To investigate the residual astigmatism and surgically induced astigmatism (SIA) after implantation of Acrysof Toric intraocular lens (IOL).Methods Totally 52 patients (62 eyes) who underwent phacoemulsification with Acrysof Toric IOL implantation from February 2016 to June 2017 were retrospectively reviewed.Observation of the variables including the uncorrected visual acuity,best corrected visual acuity,refraction,corneal curvature was performed,and individual SIA,mean SIA plus centroid SIA were calculated before surgery and one month after surgery.Results There was significant difference between postoperative anticipated astigmatism and postoperative actual astigmatism [(0.17± 0.15)D vs.(0.492 ±0.37)D](P<0.05).Preoperative corneal astigmatism was (1.94±0.75)D,ranging from 0.93 D to 3.70 D,and postoperative corneal astigmatism was (1.95±0.80)D,ranging from 0.68 D to 3.80 D.The individual SIA was 0.08-1.39 (0.44±0.25)D,the mean SIA of 0.44 D,and centroid SIA of 0.12 D @126°.Conclusion It is precise and stable for Barrett Toric formula and centroid SIA to calculate the degree of Toric IOL,but there is still residual astigmatism after IOL implantation,so further optimization of SIA is still needed.

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更新日期/Last Update: 2018-02-02