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Article

Diopter Measurement of Human Eye Based on Dual-Focus Swept Source Optical Coherence Tomography

1
College of Information Science and Engineering, Northeastern University, Shenyang 110819, China
2
School of Control Engineering, Northeastern University at Qinhuangdao, Qinhuangdao 066004, China
3
Department of Ophthalmology, Qinhuangdao Maternal and Child Health Hospital, Qinhuangdao 066004, China
4
School of Computer and Communication Engineering, Northeastern University at Qinhuangdao, Qinhuangdao 066004, China
*
Author to whom correspondence should be addressed.
Photonics 2025, 12(9), 856; https://doi.org/10.3390/photonics12090856
Submission received: 29 July 2025 / Revised: 24 August 2025 / Accepted: 25 August 2025 / Published: 26 August 2025

Abstract

Refractive error affects people’s vision and may be the cause of a variety of fundus diseases. Early detection of refractive error and its location are very important to protect vision and prevent the occurrence of pathological symptoms. In this paper, a dual-focus SS-OCT system was developed to obtain whole-eye imaging and eight biometry parameters, which include corneal center thickness, lens center thickness, anterior chamber depth, vitreous chamber depth, corneal anterior and posterior surface curvature, lens anterior and posterior surface curvature. The diopter of each refractive component and the whole eye can be calculated from these parameters. Healthy subjects were measured under different accommodative stimuli using the proposed system and compared with the refractometer. The results show that there is a high consistency between the two in the overall diopter. The advantage of our system is that it cannot only measure the overall refractive deviation, it can also find the location of the deviation, which will be critical for the prevention and treatment of refractive system diseases in humans.
Keywords: swept-source optical coherence tomography; full eye imaging; diopter measurement swept-source optical coherence tomography; full eye imaging; diopter measurement

Share and Cite

MDPI and ACS Style

Jiang, H.; Zhang, B.; Xiang, B.; Liu, J.; Ma, Z.; Lv, H.; Yu, Y.; Zhao, Y.; Yang, Y.; Luan, J.; et al. Diopter Measurement of Human Eye Based on Dual-Focus Swept Source Optical Coherence Tomography. Photonics 2025, 12, 856. https://doi.org/10.3390/photonics12090856

AMA Style

Jiang H, Zhang B, Xiang B, Liu J, Ma Z, Lv H, Yu Y, Zhao Y, Yang Y, Luan J, et al. Diopter Measurement of Human Eye Based on Dual-Focus Swept Source Optical Coherence Tomography. Photonics. 2025; 12(9):856. https://doi.org/10.3390/photonics12090856

Chicago/Turabian Style

Jiang, Huiwen, Binyin Zhang, Ben Xiang, Jian Liu, Zhenhe Ma, Hongyu Lv, Yao Yu, Yuqian Zhao, Yanqiu Yang, Jingmin Luan, and et al. 2025. "Diopter Measurement of Human Eye Based on Dual-Focus Swept Source Optical Coherence Tomography" Photonics 12, no. 9: 856. https://doi.org/10.3390/photonics12090856

APA Style

Jiang, H., Zhang, B., Xiang, B., Liu, J., Ma, Z., Lv, H., Yu, Y., Zhao, Y., Yang, Y., Luan, J., & Wang, Y. (2025). Diopter Measurement of Human Eye Based on Dual-Focus Swept Source Optical Coherence Tomography. Photonics, 12(9), 856. https://doi.org/10.3390/photonics12090856

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