Huang Jinhai, Savini Giacomo, Su Binbin, Zhu Rui, Feng Yifan, Lin Shishi, Chen Hao, Wang Qinmei
School of Optometry and Ophthalmology and Eye Hospital, Wenzhou Medical University, Wenzhou, Zhejiang, China; Key Laboratory of Vision Science, Ministry of Health P.R. China, Wenzhou, Zhejiang, China.
G.B. Bietti Foundation IRCCS, Rome, Italy.
Cont Lens Anterior Eye. 2015 Oct;38(5):363-7. doi: 10.1016/j.clae.2015.04.003. Epub 2015 May 5.
To compare anterior eye segment measurements obtained using low optical coherence reflectometry (LENSTAR LS900, Haag-Streit), autokeratometry (RC-5000, Tomey) and corneal topography (Topolyzer, Wavelight).
In 46 healthy subjects, flat keratometry (Kf), steep keratometry (Ks), mean keratometry (Km) and white-to-white (WTW) distance were measured by Lenstar, Tomey RC-5000 and Topolyzer.
Kf and Km measurements of Lenstar were significantly steeper than Tomey RC-5000 (both p<0.001), but the 95% LoA of them were narrow (-0.22 to 0.46D, -0.16 to 0.36D, respectively). There were no significant differences between the Kf and Km measurements of Lenstar and Topolyzer, with a narrow 95% LoA. There were no significant differences between the Ks measurements of Lenstar and Tomey RC-5000, and Lenstar and Topolyzer. A good agreement was found between them with 95% LoA of -0.40 to 0.56D, and -0.56 to 0.64D, respectively. WTW measurements with Lenstar were greater than those with Tomey RC-5000 and Topolyzer (p=0.042, p<0.01, respectively). A good agreement existed between the WTW obtained by Lenstar and Topolyzer, Tomey RC-5000, with 95% LoA ranging from -0.13 to 0.74mm and -0.33 to 0.51mm.
Generally good agreement was found between the Lenstar and Tomey RC-5000, Topolyzer for K and WTW measurements. In clinical practice, K and WTW measurements obtained by Lenstar and Tomey RC-5000, Topolyzer can be used interchangeably.
比较使用低相干光反射测量仪（LENSTAR LS900，Haag-Streit）、自动角膜曲率计（RC-5000，Tomey）和角膜地形图仪（Topolyzer，Wavelight）获得的眼前节测量值。
对46名健康受试者，使用Lenstar、Tomey RC-5000和Topolyzer测量平坦角膜曲率（Kf）、陡峭角膜曲率（Ks）、平均角膜曲率（Km）和白到白（WTW）距离。
Lenstar测量的Kf和Km明显比Tomey RC-5000陡峭（均p<0.001），但其95%一致性界限较窄（分别为-0.22至0.46D，-0.16至0.36D）。Lenstar和Topolyzer测量的Kf和Km之间无显著差异，95%一致性界限较窄。Lenstar与Tomey RC-5000以及Lenstar与Topolyzer测量的Ks之间无显著差异。它们之间一致性良好，95%一致性界限分别为-0.40至0.56D和-0.56至0.64D。Lenstar测量的WTW大于Tomey RC-5000和Topolyzer测量的WTW（分别为p=0.042，p<0.01）。Lenstar与Topolyzer、Tomey RC-5000获得的WTW之间一致性良好，95%一致性界限范围为-0.13至0.74mm和-0.33至0.51mm。
Lenstar与Tomey RC-5000、Topolyzer在测量K值和WTW方面总体一致性良好。在临床实践中，Lenstar与Tomey RC-5000、Topolyzer获得的K值和WTW测量值可互换使用。
