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Parallel comparison of ocular metrics in non-human primates with high myopia by LS900, ultrasonography and MRI-based 3D reconstruction

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机构： [1]Beijing Institute of Ophthalmology, Beijing Tongren Hospital, Capital Medical University, Beijing, China [2]Department of Ophthalmology, Beijing Luhe Hospital, Capital Medical University, Beijing, China [3]Beijing Tongren Eye Center, Beijing Tongren Hospital, Capital Medical University, Beijing, China

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关键词： Highly myopia Non-human primate LS900 A-scan ultrasonography MRI

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We investigate the ocular dimensions and shape by using Lenstar900 (LS900), A-scan ultrasonography, and Magnetic Resonance Imaging (MRI) in highly myopic Macaca fascicularis. The ocular dimensions data of LS900, A-scan ultrasonography and MRI was assessed from 8 eyes (4 adult male cynomolgus macaque) with extremely high myopia (≤-1000DS) and compared by means of coefficients of concordance and 95% limits of agreement. Multiple regression analysis was performed to explore the associations between ocular biometry, volume, refraction and inter-instrument discrepancies. Test-retest reliability of three measurements of ocular parameters at two time points was almost equal (intraclass correlation = 0.831 to 1.000). The parallel-forms reliability of three measurements was strong for vitreous chamber depth (VCD) (coefficient of concordance = 0.919 to 0.981), moderate for axial length (AL) (coefficient of concordance = 0.486 to 0.981), and weak for anterior chamber depth (ACD) (coefficient of concordance = 0.267 to 0.621) and lens thickness (LT) (coefficient of concordance = 0.035 to 0.631). The LS900 and MRI systematically underestimated the ACD and LT comparing to A-scan ultrasonography (P < 0.05). Notably, the average AL on LS900 displayed a significant correlation with those on MRI (r = 0.978, P < 0.001) and A-scan ultrasonography (r = 0.990, P < 0.001). Almost 4/5 eyeballs were prolate. The mean eyeball volume positively correlated with AL (r = 0.782, P = 0.022), the width (r = 0.945, P = 0.000), and the length (r = 0.782, P = 0.022) of eyeball, while negatively correlated with SER (r = -0.901, P = 0.000). In conclusion, there was a high inter-instrument concordance for VCD with LS900, A-scan ultrasonography and MRI, while ACD and LT were underestimated with LS900 compared to A-scan ultrasonography, and the LS900 and A-scan ultrasonography could reliably measure the AL. MRI further revealed an equatorial globe shape in extremely myopic non-human primates.Copyright © 2024 The Authors. Published by Elsevier Ltd.. All rights reserved.

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出版当年[2023]版：

大类 | 2 区医学

小类 | 2 区眼科学

最新[2025]版：

大类 | 3 区医学

小类 | 2 区眼科学

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出版当年[2022]版：

Q2 OPHTHALMOLOGY

最新[2023]版：

Q1 OPHTHALMOLOGY

影响因子： 3 最新[2023版] 3.3 最新五年平均 3.4 出版当年[2022版] 3.6 出版当年五年平均 3.77 出版前一年[2021版] 3 出版后一年[2023版]

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第一作者机构： [1]Beijing Institute of Ophthalmology, Beijing Tongren Hospital, Capital Medical University, Beijing, China [2]Department of Ophthalmology, Beijing Luhe Hospital, Capital Medical University, Beijing, China

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通讯机构： [1]Beijing Institute of Ophthalmology, Beijing Tongren Hospital, Capital Medical University, Beijing, China [3]Beijing Tongren Eye Center, Beijing Tongren Hospital, Capital Medical University, Beijing, China

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