[1]龙克利,朱冉,程蕾,等.应用Pentacam分析3种近视激光矫正术后角膜后表面高度和曲率的变化[J].眼科新进展,2015,35(1):067-70.[doi:10.13389/j.cnki.rao.2015.0019]
　LONG Ke-Li,ZHU Ran,CHENG Lei,et al.Posterior corneal elevation and curvature after three corneal refractive surgery as measured by Pentacam[J].Recent Advances in Ophthalmology,2015,35(1):067-70.[doi:10.13389/j.cnki.rao.2015.0019]
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应用Pentacam分析3种近视激光矫正术后角膜后表面高度和曲率的变化
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《眼科新进展》[ISSN:1003-5141/CN:41-1105/R]

卷:
35卷
期数:
2015年1期
页码:
067-70
栏目:
应用研究
出版日期:
2015-01-05

文章信息/Info

Title:
Posterior corneal elevation and curvature after three corneal refractive surgery as measured by Pentacam
作者:
龙克利; 朱冉; 程蕾; 袁萍
２２１０００　江苏省徐州市，徐州市眼病防治研究所屈光手术中心
Author(s):
LONG Ke-Li ;  ZHU Ran ;  CHENG Lei ;  YUAN Ping
Refractive Surgery Center, Department of Ophthalmology , Xuzhou Eye Institute , Xuzhou 221 000 , Jiangsu Province . China
关键词:
Pentacam; 角膜后表面; 飞秒激光; 准分子激光原位角膜磨镶术; 准分子激光角膜上皮瓣下磨镶术
Keywords:
Pentacam;  corneal posterior surface;  Femtosecond laser;  LASIK;  LASEK
DOI:
10.13389/j.cnki.rao.2015.0019
文献标志码:
A
摘要:
目的　使用Ｐｅｎｔａｃａｍ探讨３种近视激光矫正手术对角膜后表面的影响。方法　选取２０１２年１月至２０１２年１２月来我院近视激光治疗中心行近视矫正手术患者６６例进行研究，其中ＩｎｔｒａＬａｓｅ飞秒激光组２４例４７眼，ＬＡＳＩＫ组２０例４０眼，ＬＡＳＥＫ组２２例４３眼，使用Ｐｅｎｔａｃａｍ测量各组患者术前及术后１个月、３个月、１ａ时角膜后表面高度及曲率变化，并测量术前眼压、中央角膜厚度（ｃｅｎｔｒａｌｃｏｒｎｅａｌｔｈｉｃｋｎｅｓｓ，ＣＣＴ）和术中切削深度（ａｂｌａｔｉｏｎｄｅｐｔｈ，ＡＤ）。结果　术前３组患者球镜度数、散光度数、ＣＣＴ、ＡＤ及眼压之间的差异均无统计学意义（均为Ｐ＜０．０５）。术后１ａ时飞秒激光组、ＬＡＳＩＫ组、ＬＡＳＥＫ组角膜最薄点高度分别为（４．１３±２．２５）μｍ、（４．３５±２．２９）μｍ、（４．００±２．４１）μｍ；角膜顶点后表面高度为（１．３０±０．９１）μｍ、（１．２５±０．８９）μｍ、（１．１２±１．０８）μｍ。角膜最薄点高度术前及术后各时间点３组之间的差异无统计学意义（Ｐ＞０．０５，重复测量方差分析），角膜顶点高度各个时间点的差异亦无统计学意义（Ｐ＞０．０５）。术后１ａ时３组患者角膜后表面曲率分别为（－６３６±０２６）Ｄ、（－６．３８±０．２４）Ｄ、（－６．３３±０．２３）Ｄ，３组患者之间角膜后表面曲率比较，差异无统计学意义（Ｆ＝０．２１３，Ｐ＝０．８０８）。结论　飞秒激光制瓣ＬＡＳＩＫ、板层刀ＬＡＳＩＫ、ＬＡＳＥＫ术后角膜后表面高度和曲率均没有发生明显变化，角膜后表面形态均相对稳定。
Abstract:
Objective To investigate and evaluate posterior corneal changes after three corneal refractive surgery as measured by Pentacam. Methods Sixty-six patients underwent refractive surgery were recruited from January 2012 to December 2012,including 47 eyes in 24 patients in Femtosecond group,40 eyes in 20 patients in LASIK group and 43 eyes in 22 patients in LASEK group. The change of posterior corneal elevation was measured by Pentacam at preoperative time, postoperative I month, 3 months , 1 year. Additionally , preoperative intraocular pressure ( IOP) , central corneal thickness ( CCT) and ablation depth ( AD) were measured. Results There was no sigruficant difference for preoperative spherical refractive, astigmatism, CCT, AD and IOP among the three groups ( all P < 0. 05 ) . After one year , the posterior elevation of the thinnest point in the Femtosecond group , LASIK group and LASEK group were (4. 13 + 2. 25 ) Vm , ( 4. 35 + 2. 29 ) ym , ( 4. 00 + 2. 41 ) Vm , respectively. The data of the central point were ( 1. 30 +0. 91) ym , ( 1. 25 + 0. 89) ym , ( 1. 12 + 1. 08 ) ym , respectively. Change in posterior elevation of the thinnest point before and after surgery at any time point had no significant difference within the three groups ( P > 0. 05 , repeated measurement one-way ANOVA). There was also no significant difference at the central point ( P > 0. 05). The posterior corneal curvature was ( - 6. 36 + 0. 26 ) D, ( - 6. 38 + 0. 24 ) D. ( - 6. 33 +0. 23) D in the three group after one year. There was no difference before and after surgery in posterior corneal curvature within the three group ( F = 0. 213,P = 0. 808) . Conclusion There is no change in posterior corneal elevation and curvature after Femtosecond laser . LASIK and LASEK. and the posterior corneal surface is stable.

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更新日期/Last Update: 2015-01-04