[1]罗书科,叶祖科,尹小芳,等.散瞳对Lenstar和A超测量白内障患者眼生物学参数的影响[J].眼科新进展,2016,36(2):151-153.[doi:10.13389/j.cnki.rao.2016.0041]
　LUO Shu-Ke,YE Zu-Ke,YIN Xiao-Fang,et al.Effects of pupil dilation on ocular biometric parameters measured by Lenstar and A-scan in cataract patients[J].Recent Advances in Ophthalmology,2016,36(2):151-153.[doi:10.13389/j.cnki.rao.2016.0041]
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散瞳对Lenstar和A超测量白内障患者眼生物学参数的影响
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《眼科新进展》[ISSN:1003-5141/CN:41-1105/R]

卷:
36卷
期数:
2016年2期
页码:
151-153
栏目:
应用研究
出版日期:
2016-02-05

文章信息/Info

Title:
Effects of pupil dilation on ocular biometric parameters measured by Lenstar and A-scan in cataract patients
作者:
罗书科; 叶祖科; 尹小芳; 田思佳; 卢彦
528000　广东省佛山市，佛山市第二人民医院眼科研究所
Author(s):
LUO Shu-Ke ;  YE Zu-Ke ; YIN Xiao-Fang ; TIAN Si-Jia ;  LU Yan
Eye Institute of the Second People ’ s Hospital of Foshan , Foshan 528000 , Guangdong Province , China
关键词:
白内障; 散瞳; A超; Lenstar检测仪; 眼轴长度; 前房深度; 晶状体厚度
Keywords:
cataract ;  pupil dilation ;  A-scan ;  Lenstar device ;  axis length ;  anterior chamber depth ; lens thickness
DOI:
10.13389/j.cnki.rao.2016.0041
文献标志码:
A
摘要:
目的　探讨散瞳对Ｌｅｎｓｔａｒ和Ａ超两种仪器测量白内障患者眼球生物学参数的影响，并评估散瞳前、后两者检测一致性的变化。方法　对３０例（３２眼）年龄相关性白内障患者分别应用Ｌｅｎｓｔａｒ和Ａ超测量散瞳前和散瞳后眼轴长度（ａｘｉａｌｌｅｎｇｔｈ，ＡＬ）、前房深度（ａｎｔｅｒｉｏｒｃｈａｍｂｅｒｄｅｐｔｈ，ＡＣＤ）及晶状体厚度（ｌｅｎｓｔｈｉｃｋｎｅｓｓ，ＬＴ）值，两种仪器测量顺序随机，每一种仪器散瞳前、后测量ＡＬ、ＡＣＤ及ＬＴ结果的差异采用配对ｔ检验分析，两种仪器散瞳前、后测量的一致性采用Ｂｌａｎｄ-Ａｌｔｍａｎ分析。结果　散瞳前、后Ｌｅｎｓｔａｒ测量的ＡＣＤ值分别为（２．３３±０．３８）ｍｍ和（２．３６±０．４０）ｍｍ，差异有统计学意义（Ｐ＜０．００１）；散瞳前、后Ａ超测量的ＡＣＤ值分别为（２．８５±０．４０）ｍｍ和（２．９５±０．３９）ｍｍ，差异有统计学意义（Ｐ＜０．００１）。散瞳前、后两种仪器各自测量的ＡＬ和ＬＴ值差异均无统计学意义（均为Ｐ＞０．０５）。两种仪器测量的９５％一致性界限：ＡＬ：散瞳前为－０．４１～０．２６ｍｍ，散瞳后为－０．３９～０．２７ｍｍ；ＡＣＤ：散瞳前为０．２９～０．７６ｍｍ，散瞳后为０．３８～０．７９ｍｍ；ＬＴ：散瞳前为－０．３９～０．５２ｍｍ，散瞳后为－０．３１～０．４３ｍｍ。两种仪器测量ＡＬ、ＡＣＤ及ＬＴ的一致性界限内最大差值（绝对值）：散瞳前分别为０．２９ｍｍ、０．７１ｍｍ和０．３９ｍｍ；散瞳后分别为０．２７ｍｍ、０．７４ｍｍ和０．３７ｍｍ。结论　散瞳后Ｌｅｎｓｔａｒ或Ａ超测量白内障患者的ＡＣＤ值均较散瞳前增大，但散瞳不影响ＡＬ和ＬＴ值的测量。两种仪器在白内障患者眼生物学参数测量的一致性不受散瞳影响。
Abstract:
Objective To evaluate the effects of pupil dilation on ocular biometric parameters measured by Lenstar and A-scan in patients with cataract , and assess the agreement between two devices before and after pupil dilation. Methods Measurements of axial length ( AL) , anterior chamber depth ( ACD) and lens thickness ( LT ) were performed by a single operator using the Lenstar and A-scan in 30 cataract patients( 32 eyes) before and after pupil dilation. The sequence of measurement between two devices was randomized. The differences of measurements between before and after pupil dilation were assessed using paired t-test. The agreement between two devices were determined using the Bland-Altman analysis. Results ACD of Lenstar was ( 2. 33 + 0. 38 ) mm before and ( 2. 36 + 0. 40 ) mm after pupil dilation , and the difference was statistically sigruficant( P < 0. 001 ) . ACD of A-scan was ( 2. 85 +0. 40 ) mm before and ( 2. 95 + 0. 39 ) mm after pupil dilation , and the difference was statistically sigruficant ( P < 0. 001 ) . No significant difference was found in AL or LT before and after pupil dilation ( all P > 0. 05 ) . For AL measurements , the 95% limits of agreement between two devices were -0. 41 - 0. 26 mm before and - 0. 39 - 0. 27 mm after pupil dilation; For ACD :0. 29 - 0. 76 mm before and 0. 38 - 0. 79 mm after pupil dilation;For LT : - 0. 39 - 0. 52 mm before and - 0. 31 - 0. 43 mm after pupil dilation. The maximum differences within the limits of agreement of AL.ACD and LT were 0. 29 mm.0. 71 mm and 0. 39 mm before pupil dilation , respectively , and 0. 27 mm .0. 74 mm and 0. 37 mm after pupil dilation, respectively. Conclusion ACD measurements of Lenstar or A-scan significantly increase in cataract patients after pupil dilation , but AL or LT measurements are not significantly affected. The agreement between two devices in cataract patients is not affected by pupil dilation.

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备注/Memo

备注/Memo:
佛山市医学类科技攻关项目（编号：２０１２０８０６４）
更新日期/Last Update: 2016-01-29