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Article

Characteristics of the Ciliary Body in Healthy Chinese Subjects Evaluated by Radial and Transverse Imaging of Ultrasound Biometric Microscopy

by
Jiawei Ren
1,2,3,
Xinbo Gao
1,2,3,
Liming Chen
1,2,3,
Huishan Lin
1,2,3,
Yao Liu
1,2,3,
Yuying Zhou
1,2,3,
Yunru Liao
1,2,3,
Chunzi Xie
1,2,3,
Chengguo Zuo
1,2,3,* and
Mingkai Lin
1,2,3,*
1
State Key Laboratory of Ophthalmology, Guangzhou 510060, China
2
Zhongshan Ophthalmic Center, Sun Yat-sen University, Guangzhou 510060, China
3
Guangdong Provincial Key Laboratory of Ophthalmology and Visual Science, Guangzhou 510060, China
*
Authors to whom correspondence should be addressed.
J. Clin. Med. 2022, 11(13), 3696; https://doi.org/10.3390/jcm11133696
Submission received: 18 April 2022 / Revised: 17 June 2022 / Accepted: 21 June 2022 / Published: 27 June 2022
(This article belongs to the Special Issue Imaging in Ophthalmology—Volume I)
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Abstract

Background: The imaging and analysis of the ciliary body (CB) are valuable in many potential clinical applications. This study aims to demonstrate the anatomy characteristics of CB using radial and transverse imaging of ultrasound biometric microscopy (UBM) in healthy Chinese subjects, and to explore the determining factors. Methods: Fifty-four eyes of 30 healthy Chinese subjects were evaluated. Clinical data, including age, body mass index (BMI), intraocular pressure (IOP), axial length (AL), and lens thickness (LT), were collected. Radial and transverse UBM measurements of the ciliary body were performed. Anterior chamber depth (ACD), ciliary sulcus diameter (CSD), ciliary process length (CPL), ciliary process density (CPD), ciliary process area (CPA), ciliary muscle area (CMA), ciliary body area (CBA), ciliary body thickness (CBT0, CBT1, and CBTmax), anterior placement of ciliary body (APCB), and trabecular-ciliary angle (TCA) of four (superior, nasal, inferior, and temporal) quadrants were measured. Results: The average CPL was 0.513 ± 0.074 mm, and the average CPA was 0.890 ± 0.141 mm2. CPL and CPA tended to be longer and larger in the superior quadrant (p < 0.001) than in the other three quadrants. Average CPL was significantly correlated with AL (r = 0.535, p < 0.001), ACD (r = 0.511, p < 0.001), and LT (r = −0.512, p < 0.001). Intraclass correlation coefficient (ICC) scores were high for CPL (0.979), CPD (0.992), CPA (0.966), CMA (0.963), and CBA (0.951). Conclusions: In healthy Chinese subjects, CPL was greatest in the superior quadrant, followed by the inferior, temporal, and nasal quadrants, and CPA was largest in the superior quadrant, followed by the tempdoral, inferior, and nasal quadrants. Transverse UBM images can be used to measure the anatomy of the ciliary process with relatively good repeatability and reliability.
Keywords: ciliary body; radial scan; transverse scan; UBM; healthy Chinese subjects ciliary body; radial scan; transverse scan; UBM; healthy Chinese subjects

Share and Cite

MDPI and ACS Style

Ren, J.; Gao, X.; Chen, L.; Lin, H.; Liu, Y.; Zhou, Y.; Liao, Y.; Xie, C.; Zuo, C.; Lin, M. Characteristics of the Ciliary Body in Healthy Chinese Subjects Evaluated by Radial and Transverse Imaging of Ultrasound Biometric Microscopy. J. Clin. Med. 2022, 11, 3696. https://doi.org/10.3390/jcm11133696

AMA Style

Ren J, Gao X, Chen L, Lin H, Liu Y, Zhou Y, Liao Y, Xie C, Zuo C, Lin M. Characteristics of the Ciliary Body in Healthy Chinese Subjects Evaluated by Radial and Transverse Imaging of Ultrasound Biometric Microscopy. Journal of Clinical Medicine. 2022; 11(13):3696. https://doi.org/10.3390/jcm11133696

Chicago/Turabian Style

Ren, Jiawei, Xinbo Gao, Liming Chen, Huishan Lin, Yao Liu, Yuying Zhou, Yunru Liao, Chunzi Xie, Chengguo Zuo, and Mingkai Lin. 2022. "Characteristics of the Ciliary Body in Healthy Chinese Subjects Evaluated by Radial and Transverse Imaging of Ultrasound Biometric Microscopy" Journal of Clinical Medicine 11, no. 13: 3696. https://doi.org/10.3390/jcm11133696

APA Style

Ren, J., Gao, X., Chen, L., Lin, H., Liu, Y., Zhou, Y., Liao, Y., Xie, C., Zuo, C., & Lin, M. (2022). Characteristics of the Ciliary Body in Healthy Chinese Subjects Evaluated by Radial and Transverse Imaging of Ultrasound Biometric Microscopy. Journal of Clinical Medicine, 11(13), 3696. https://doi.org/10.3390/jcm11133696

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