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已发表论文
评估近视患者角膜光学密度及基底膜下神经纤维指标
Authors Wei Q, Ding X, Jiang R, Niu L , Yu Z
Received 29 June 2025
Accepted for publication 6 October 2025
Published 13 October 2025 Volume 2025:19 Pages 3761—3771
DOI https://doi.org/10.2147/OPTH.S550446
Checked for plagiarism Yes
Review by Single anonymous peer review
Peer reviewer comments 4
Editor who approved publication: Dr Scott Fraser
Qiaoling Wei,1– 3,* Xuan Ding,1,2,* Rui Jiang,1– 3 Lingling Niu,1,2 Zhiqiang Yu1,2
1Eye Institute and Department of Ophthalmology, Eye & ENT Hospital, Fudan University, Shanghai, 200031, People’s Republic of China; 2Shanghai Key Laboratory of Visual Impairment and Restoration, Fudan University, Shanghai, 200031, People’s Republic of China; 3Ocular Trauma Center, Eye & ENT Hospital, Fudan University, Shanghai, 200031, People’s Republic of China
*These authors contributed equally to this work
Correspondence: Lingling Niu, Email niu-lingling@hotmail.com Zhiqiang Yu, Email zhiqiang.yu@fdeent.org
Aim: To assess corneal metrics in myopic patients and investigate the relationship between myopia severity and corneal characteristics.
Methods: Consecutive myopic patients undergoing preoperative evaluations for refractive surgery were enrolled. Comprehensive clinical data, including age, gender, axial length (AL), and spherical equivalent refraction (SER) were collected. All enrolled patients completed the ocular surface disease index (OSDI) questionnaire. Myopia severity was categorized based on SER and AL. Detailed corneal optical density (COD) was measured using Pentacam HR imaging. In vivo confocal microscopy (IVCM) was performed to measure central corneal sub-basal nerve plexus (SNP) and dendritiform cell (DC) density. Correlations among metrics were analyzed, and differences across various levels of myopia severity were assessed.
Results: The study included 157 participants (308 eyes), predominantly female (118 females, 39 males), with a mean age of 28.0 ± 6.64 years (range 17– 52). The mean SER was − 6.85 ± 3.0 D (range − 18.00 to − 0.50 D), and the mean AL was 26.32 ± 1.4 mm (range 22.92– 30.42 mm). OSDI showed a positive correlation with corneal nerve branch density (CNBD). Age correlated significantly with COD in the 6– 10 mm zones of the anterior, middle, posterior and total layers (all P < 0.05), as well as in the 10– 12 mm zones of the middle (P = 0.020) and total layers (P = 0.023), but showed no impact on SNP metrics. DC density exhibited a correlation with SNP metrics. Central COD (0– 6 mm zone) increased with myopia severity, showing a negative correlation with SER and positive correlations with AL, with significant changes observed in the middle, posterior, and total corneal layers. No significant effects of myopia severity were observed on SNP metrics.
Conclusion: This study highlights complex relationships between corneal metrics in myopic patients. COD values in the central 0– 6 mm zone increased with higher myopia severity, while no significant relationships were found with SNP metrics.
Keywords: myopia, corneal optical density, sub-basal nerve plexus, dendritiform cell, confocal microscopy, refractive surgery, myopia correction
1Eye Institute and Department of Ophthalmology, Eye & ENT Hospital, Fudan University, Shanghai, 200031, People’s Republic of China; 2Shanghai Key Laboratory of Visual Impairment and Restoration, Fudan University, Shanghai, 200031, People’s Republic of China; 3Ocular Trauma Center, Eye & ENT Hospital, Fudan University, Shanghai, 200031, People’s Republic of China
*These authors contributed equally to this work
Correspondence: Lingling Niu, Email niu-lingling@hotmail.com Zhiqiang Yu, Email zhiqiang.yu@fdeent.org
Aim: To assess corneal metrics in myopic patients and investigate the relationship between myopia severity and corneal characteristics.
Methods: Consecutive myopic patients undergoing preoperative evaluations for refractive surgery were enrolled. Comprehensive clinical data, including age, gender, axial length (AL), and spherical equivalent refraction (SER) were collected. All enrolled patients completed the ocular surface disease index (OSDI) questionnaire. Myopia severity was categorized based on SER and AL. Detailed corneal optical density (COD) was measured using Pentacam HR imaging. In vivo confocal microscopy (IVCM) was performed to measure central corneal sub-basal nerve plexus (SNP) and dendritiform cell (DC) density. Correlations among metrics were analyzed, and differences across various levels of myopia severity were assessed.
Results: The study included 157 participants (308 eyes), predominantly female (118 females, 39 males), with a mean age of 28.0 ± 6.64 years (range 17– 52). The mean SER was − 6.85 ± 3.0 D (range − 18.00 to − 0.50 D), and the mean AL was 26.32 ± 1.4 mm (range 22.92– 30.42 mm). OSDI showed a positive correlation with corneal nerve branch density (CNBD). Age correlated significantly with COD in the 6– 10 mm zones of the anterior, middle, posterior and total layers (all P < 0.05), as well as in the 10– 12 mm zones of the middle (P = 0.020) and total layers (P = 0.023), but showed no impact on SNP metrics. DC density exhibited a correlation with SNP metrics. Central COD (0– 6 mm zone) increased with myopia severity, showing a negative correlation with SER and positive correlations with AL, with significant changes observed in the middle, posterior, and total corneal layers. No significant effects of myopia severity were observed on SNP metrics.
Conclusion: This study highlights complex relationships between corneal metrics in myopic patients. COD values in the central 0– 6 mm zone increased with higher myopia severity, while no significant relationships were found with SNP metrics.
Keywords: myopia, corneal optical density, sub-basal nerve plexus, dendritiform cell, confocal microscopy, refractive surgery, myopia correction