[1]李盼盼,吴坚,周婧,等.角膜后表面散光的测量及临床意义[J].眼科新进展,2018,38(2):184-187.[doi:10.13389/j.cnki.rao.2018.0042]
 LI Pan-Pan,WU Jian,ZHOU Jing,et al.Measurement and clinical significant of posterior corneal astigmatism[J].Recent Advances in Ophthalmology,2018,38(2):184-187.[doi:10.13389/j.cnki.rao.2018.0042]
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角膜后表面散光的测量及临床意义/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:
184-187
栏目:
文献综述
出版日期:
2018-02-05

文章信息/Info

Title:
Measurement and clinical significant of posterior corneal astigmatism
作者:
李盼盼吴坚周婧薛莹管怀进
226001 江苏省南通市,南通大学附属医院眼科
Author(s):
LI Pan-PanWU JianZHOU JingXUE YingGUAN Huai-Jin
Department of Ophthalmology,the Affiliated Hospital of Nantong University,Nantong 226001,Jiangsu Province,China
关键词:
角膜后表面散光总角膜散光手术源性散光散光型人工晶状体
Keywords:
posterior astigmatismtotal astigmatismsurgically induced astigmatismToric intraocular lens
分类号:
R778.1
DOI:
10.13389/j.cnki.rao.2018.0042
文献标志码:
A
摘要:
角膜散光由角膜前表面散光(anterior astigmatism,AA)和角膜后表面散光(posterior astigmatism,PA)组成。据文献统计,PA在-0.01~-1.10 D范围内,85.0%~96.1%为逆规散光。随着年龄的增长,PA总体呈现由逆规向顺规漂移的趋势,AA的趋势则与之相反。因此,对于青年人,PA使总角膜散光(total astigmatism,TA)减小;对于老年人,PA使TA增大。在临床上,忽略PA会错误估计TA,影响屈光性白内障手术后的视觉质量。本文旨在介绍PA的测量方法及临床意义,以供眼科医生在临床工作中参考。
Abstract:
Corneal astigmatism includes anterior astigmatism (AA) and posterior astigmatism (PA).According to the literature,85.0%-96.1% PA ranging from -0.01 to -1.10 D refers to astigmatism against the rule.With the age increasing,PA shows a significant trend from astigmatism against the rule to with the rule,while AA shows toward against-the-rule astigmatism.Therefore,PA often leads to partially decrease of total astigmatism (TA) in young adults,but the increase of TA in aged elderly.Clinically,ignorance of PA will lead to a false estimate of TA,thereby affecting visual quality after refractive cataract surgery.And this article aims to introduce the measurement of PA and its clinical significance for providing the reference in clinical practices.

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[2]张蝶念,张红,田芳,等. 老年性白内障患者中角膜后表面散光对总角膜散光的影响[J].眼科新进展,2015,35(7):652.[doi:10.13389/j.cnki.rao.2015.0178]
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备注/Memo

备注/Memo:
江苏省科技计划项目基金资助(编号:BE2016699);南通市前沿与关键技术社会民生创新计划项目(编号:MS22015072)
更新日期/Last Update: 2018-02-02