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Agreement between the Swept-Source Optical Coherence Tomography and the Image-Guided System for Biometry Assessment in Cataract Surgery
Seminars in Ophthalmology ( IF 1.9 ) Pub Date : 2021-08-17 , DOI: 10.1080/08820538.2021.1965172
Edel Moreno-Páramo 1 , Santiago García-Arroyo 1 , Grecia Y Ortiz-Ramirez 1 , Manuel Garza-León 2 , Roberto Gonzalez-Salinas 1
Affiliation  

ABSTRACT

Purpose

To assess the agreement on biometric data obtained using the Verion image-guided surgery system and the swept-source-OCT biometer IOL Master 700.

Materials and Methods

All patients underwent biometry using the SS-OCT and the Image-Guide System. The comparison between instruments was assessed using the Intraclass correlation coefficient (ICC). Level of Agreement (LoA) employing the Bland-Altman analysis.

Results

The image-based system produced significantly higher keratometry values, evidencing a low LoA between the SS-OCT and the image-based system, ranging from −1.30 D to 0.65 D (1.95 D), −1.04 D to 0.72 D (1.76 D), and −1.31 D to 0.65 D (1.96 D), respectively. The LoA for the Cylinder ranged from −0.46 D to 0.74 D (1.2 D) and from 0.82 to 0.94 mm for WTW.

Conclusions

In our study, the SS-OCT biometer and the Image-based System evidenced statistically significant differences in measuring the main biometric parameters except for the WTW.



中文翻译:

扫描源光学相干断层扫描和图像引导系统在白内障手术中进行生物测量评估的协议

摘要

目的

评估使用 Verion 图像引导手术系统和扫描源 OCT 生物测量仪 IOL Master 700 获得的生物特征数据的一致性。

材料和方法

所有患者均使用 SS-OCT 和 Image-Guide System 进行生物测定。使用组内相关系数 (ICC) 评估仪器之间的比较。采用 Bland-Altman 分析的协议水平 (LoA)。

结果

基于图像的系统产生显着更高的角膜曲率值,证明 SS-OCT 和基于图像的系统之间的 LoA 较低,范围从 -1.30 D 到 0.65 D (1.95 D)、-1.04 D 到 0.72 D (1.76 D) , 和 -1.31 D 到 0.65 D (1.96 D)。圆柱体的 LoA 范围为 -0.46 D 至 0.74 D (1.2 D),WTW 的 LoA 范围为 0.82 至 0.94 mm。

结论

在我们的研究中,SS-OCT 生物测量仪和基于图像的系统在测量除 WTW 之外的主要生物测量参数方面存在统计学上的显着差异。

更新日期:2021-08-17
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