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Ocular axial length and diabetic retinopathy: the Kailuan Eye Study

To examine the role of ocular axial length as an ocular parameter for the prevalence and severity of diabetic retinopathy (DR). The cross-sectional Kailuan Diabetic Retinopathy Study included patients with diabetes who participated in the community-based longitudinal Kailuan Study and who had und...

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Main Authors: Wang, Qian (Author) , Wang, Ya Xing (Author) , Wu, Shou Ling (Author) , Chen, Shuo Hua (Author) , Yan, Yan Ni (Author) , Yang, Mo Chi (Author) , Yang, Jing Yan (Author) , Zhou, Wen Jia (Author) , Chan, Szy Yann (Author) , Zhang, Xiao Hui (Author) , Yang, Xuan (Author) , Lei, Ya Hui (Author) , Qin, Shu Qi (Author) , Chen, Meng Xi (Author) , Jonas, Jost B. (Author) , Wei, Wen Bin (Author)
Format: Article (Journal)
Language:English
Published: August 2019
In: Investigative ophthalmology & visual science
Year: 2019, Volume: 60, Issue: 10, Pages: 3689-3695
ISSN:1552-5783
DOI:10.1167/iovs.19-27531
Online Access:Verlag, kostenfrei, Volltext: https://doi.org/10.1167/iovs.19-27531
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Author Notes:Qian Wang, Ya Xing Wang, Shou Ling Wu, Shuo Hua Chen, Yan Ni Yan, Mo Chi Yang, Jing Yan Yang, Wen Jia Zhou, Szy Yann Chan, Xiao Hui Zhang, Xuan Yang, Ya Hui Lei, Shu Qi Qin, Meng Xi Chen, Jost B. Jonas, and Wen Bin Wei
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Summary:To examine the role of ocular axial length as an ocular parameter for the prevalence and severity of diabetic retinopathy (DR). The cross-sectional Kailuan Diabetic Retinopathy Study included patients with diabetes who participated in the community-based longitudinal Kailuan Study and who had undergone ocular fundus photography. The fundus photographs were graded using the Early Treatment of Diabetic Retinopathy Study criteria. The study included 1096 patients with diabetes (mean age: 60.8 ± 9.4 years; axial length: 23.37 ± 0.92 mm). In binary regression analysis, a higher DR prevalence was associated with shorter axial length (P = 0.007; odds ratio [OR]: 0.81; 95% confidence interval [CI]: 0.70, 0.95) after adjusting for longer known duration of diabetes (P = 0.02; OR: 1.13; 95%CI: 1.02, 1.24) and higher fasting blood glucose concentration (P < 0.001; OR: 1.38; 95%CI: 1.26, 1.52). A more severe DR stage was associated (regression coefficient r: 0.46) with shorter ocular axial length (P = 0.047; standardized regression coefficient β: −0.06) after adjusting for higher fasting blood glucose (P < 0.001; β: 0.41) and longer known duration of diabetes (P = 0.045; β: 0.07). Longer axial length was associated with a lower DR prevalence (P = 0.003; β: −0.10) after adjusting for younger age (P < 0.001), male sex (P < 0.001), higher body mass index (P = 0.016), and lower fasting blood glucose concentration (P = 0.036). After adjusting for systemic risk factors, DR prevalence decreased by 19% (95%CI: 5, 30) for each millimeter increase in axial length. With longer axial length being a surrogate for axial myopia, the marked increase in myopia prevalence worldwide may lead to a relative decrease in the prevalence and incidence of DR in future.
Item Description:Gesehen am 19.01.2022
Physical Description:Online Resource
ISSN:1552-5783
DOI:10.1167/iovs.19-27531

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