[1]冯珂,郭海科,张英朗,等.白内障术前两种角膜散光标记方法的对比研究[J].眼科新进展,2016,36(8):748-750.[doi:10.13389/j.cnki.rao.2016.0199]
　FENG Ke,GUO Hai-Ke,ZHANG Ying-Lang,et al.Comparative study of two corneal astigmatism marker methods before cataract surgery[J].Recent Advances in Ophthalmology,2016,36(8):748-750.[doi:10.13389/j.cnki.rao.2016.0199]
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白内障术前两种角膜散光标记方法的对比研究
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《眼科新进展》[ISSN:1003-5141/CN:41-1105/R]

卷:
36卷
期数:
2016年8期
页码:
748-750
栏目:
应用研究
出版日期:
2016-08-05

文章信息/Info

Title:
Comparative study of two corneal astigmatism marker methods before cataract surgery
作者:
冯珂; 郭海科; 张英朗; 吴众
450005　河南省郑州市，郑州爱尔眼科医院，中南大学爱尔眼科学院（冯珂，郭海科，张英朗）；450003　河南省郑州市，河南省立眼科医院（吴众）
Author(s):
FENG Ke ;  GUO Hai-Ke; ZHANG Ying-Lang ; WU Zhong
Zhengzhou Aier Eye Hospital ( FENG Ke, GUO Hai-Ke, ZHANG Ying-Lang ) , Zhengzhou 450005 , Henan Province , China ; Henan Eye Hospital ( WU Zhong ) , Zhengzhou 450003 , Henan Province , China
关键词:
白内障; 角膜散光; 标记; 对比研究
Keywords:
cataract ;  corneal astigmatism ;  marker ;  comparative study
分类号:
Ｒ７７６
DOI:
10.13389/j.cnki.rao.2016.0199
文献标志码:
A
摘要:
目的　评价在行白内障超声乳化吸出联合Ｔｏｒｉｃ人工晶状体植入术前，２种常用的角膜散光标记方法的准确性。方法　本研究为前瞻性随机对照研究。６０例（６０眼）患者被随机分为２组，每组各３０例，分别按２种不同方法进行术前角膜散光标记。一种方法是裂隙灯显微镜下１ｍＬ注射器针头标记法，另一种为ｔｏｒｉｃ专用标记器标记法，标记后裂隙下用数码照相机在后反射光下拍摄眼前节数字图像，记录标记，并用Ｐｈｏｔｏｓｈｏｐ软件对数字图像进行分析，对２组旋转偏差和垂直偏差进行评估。结果　裂隙灯标记组旋转偏差较小，为（３．２±１．９）°；标记器组旋转偏差为（５．９±４．１）°，２组差异有统计学意义（Ｐ＜０．０１）。裂隙灯标记组垂直偏差也较小，为（０．２７±０．１８）ｍｍ，标记器组垂直偏差为（０．５７±０．３１）ｍｍ，２组差异也有统计学意义（Ｐ＜０．０１）。结论　裂隙灯标记法旋转偏差和垂直偏差均小于ｔｏｒｉｃ标记器法，因此建议尽量采用裂隙灯标记法来标记患者的水平子午线，可保证散光轴线定位的精确性。
Abstract:
Objective To compare the accuracy of two corneal astigmatism marker methods before phacoemulsification and Toric intraocular lens implantation. Methods This study was a prospective randomized controlled study. 60 patients were randomly divided into two groups,30 cases in each group , and two corneal astigmatism marker methods were used. The first methods were marked with an I mL syringe needle under the slit lamp , and the second device with Toric marker used specially for marlang corneal astigmatism. The corneal astigmatic axis was marked and then a digital camera was used to capture the anterior segment of digital image in the post reflective light. The marker was documented and the digital images were analyzed by photoshop software, and the rotational deviation and vertical misalignment were also assessed. Results The least rotational nusalignment was observed in the slit lamp group with the mean deviation ( 3. 2 + 1. 9 ) o . which in the Toric marker group was ( 5. 9 +4. I ) o . the difference between the two groups was statistically significant ( P < 0. 01 ) . The least vertical misalignment was also observed in the slit lamp group with the mean deviation( 0. 27 + 0. 18 ) mm , which in the Toric marker group was ( 0. 57 + 0. 31 ) mm , there was sigruficant difference between two groups ( P < 0. 01 ) . Conclusion The least vertical misalignment and rotational nusalignment with slit lamp methods are all smaller than those with Toric marker, so suggest use slit lamp to mark the meridian ,which can improve the accuracy of the astigmatism axis.

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更新日期/Last Update: 2016-08-22