Biometric Measurement with a Commercially Available Swept-source Optical Coherence Tomography in Myopia Model Species

Overview

Journal Heliyon

Specialty Social Sciences

Date 2023 Jan 2

PMID 36590489

Authors

Tian Han

Yuliang Wang

Yangyi Huang

Xun Chen

Xingxue Zhu

Yang Shen

Xingtao Zhou

Affiliations

Soon will be listed here.

Abstract

Background: Biometric parameters play an important role in studies on myopia. This study aimed to explore the application of a commercially available two-dimensional visualized swept-source optical coherence tomography (OCT) system, for biometric measurement in multiple myopia model species.

Methods: In this study, chickens, guinea pigs, and C57BL/6 mice underwent eye imaging with the commercially available OCT (CASIA2), and the original images were used to calculate the central corneal thickness, anterior chamber depth (ACD), lens thickness (LT), vitreous chamber depth (VCD), and axial length (AL). The retinal thickness and choroidal thickness were also calculated in chicken eyes. The repeatability of the biometric measurement outcomes was analyzed.

Results: Excellent repeatable AL measurements were obtained for all three species, with an intraclass correlation coefficient (ICC) of ≥0.941 and a within-subject standard deviation of ≤0.055. Excellent repeatability was found in chicken eyes for ACD, LT, and VCD, with an ICC of ≥0.932; in guinea pig eyes for ACD and VCD, with an ICC of ≥0.934; and in mouse eyes for LT, with an ICC of ≥0.941.

Conclusions: It is effective to use commercially available OCT to measure biometric parameters in chickens, guinea pigs, and C57BL/6 mice. This methodology could potentially increase the accuracy and efficiency of future myopia animal experiments.

Citing Articles

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