新型扫频生物测量仪OA-2000与IOLMaster 700 测量高度近视白内障患者的一致性

doi:10.3760/cma.j.cn115909-20210615-00242

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Abstract Objective: To compare the agreement between OA-2000 and IOLMaster 700 in cataract patients with high myopia. Methods: This was a serial case study. Patients referred for cataract surgery were measured by IOLMaster 700 and OA-2000 between January and February 2018 in the Beijing Tongren Eye Center. One hundred nineteen patients (119 eyes) were enrolled. The parameters, including keratometry for the flattest meridian (Kf), keratometry for the steepest meridian (Ks), mean keratometry (Km), J0 (Jackson crosscylinder with axes at 180 degrees and 90 degrees), J45 (Jackson cross-cylinder with axes at 45 degrees and 135 degrees), corneal diameter (WTW), central corneal thickness (CCT), anterior chamber depth (ACD), lens thickness (LT) and axial length (AL) were obtained and intraocular lens (IOL) power was calculated with the Barrett Universal Ⅱ formula. A paired samples t test was used to compare the differences in the parameters and IOL power between the two biometers. Agreement was evaluated using an interclass correlation coefficient (ICC) and Bland-Altman analysis. Results: There were significant differences between the two biometers for CCT, ACD, LT, WTW (t=-29.95, 5.00, 12.25, -5.56, P<0.001), but not for Kf, Ks, Km, J0, J45, AL or IOL power. Intraclass correlation ranged from 0.878 to 1.000. Bland-Altman analysis showed that the maximum absolute values of the 95% limits of agreement (LoA) of Kf, Ks, Km, J0, J45, CCT, ACD, LT, AL, WTW and IOL power were 0.37 D, 0.41 D, 0.32 D, 0.27 D, 0.25 D, 32.6 μm, 0.08 mm, 0.18 mm, 0.13 mm, 0.73 mm and 0.53 D, respectively. Conclusions: For cataract patients with high myopia, IOLMaster 700 and OA-2000 show good agreement in measuring Kf, Ks, Km, J0, J45, ACD, LT and AL. There was also good agreement in calculating IOL power by the Barrett Universal Ⅱ formula, which could be used interchangeably.

Key words： biometry IOLMaster 700 OA-2000 high myopia catarac

Received: 15 June 2021

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Corresponding Authors: Wenli Yang, Beijing Tongren Eye Center, Beijing Tongren Hospital, Capital Medical University, Beijing Ophthalmology and Visual Sciences Key Laboratory, Beijing 100730, China (Email: yangwl_tr@163.com)

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Dongjun Li,Wenli Yang,Ziyang Wang等. Comparison of the Agreement between OA-2000 and IOLMaster 700 in Cataract Patients with High Myopia[J]. Chinese Journal of Optometry Ophthalmology and Visual science, 2022, 24(1): 40-45.

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https://www.cjoovs.com/EN/10.3760/cma.j.cn115909-20210615-00242 OR https://www.cjoovs.com/EN/Y2022/V24/I1/40

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