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Association between daily sunlight exposure duration and diabetic retinopathy in Korean adults with diabetes: A nationwide population-based cross-sectional study

Authors
 Hye Jun Lee  ;  Choon Ok Kim  ;  Duk Chul Lee 
Citation
 PLOS ONE, Vol.15(8) : e0237149, 2020-08 
Journal Title
 PLOS ONE 
Issue Date
2020-08
Abstract
Purpose: To investigate the association between daily sunlight exposure duration and diabetic retinopathy in Korean adults with diabetes. Methods: This study used data from the 2008-2011 Korea National Health and Nutrition Examination Survey. Overall, 1,089 patients with diabetes aged >40 years were included. The duration of daily sunlight exposure was assessed via health interviews. Comprehensive ophthalmic evaluations, including standard retinal fundus photography after pupil dilation, were conducted. Diabetic retinopathy was graded using the modified Airlie House Classification. Multivariate logistic regression analysis was performed to analyze the association between daily sunlight exposure duration and the diagnosis of diabetic retinopathy and non-proliferative diabetic retinopathy. Results: The risk of diabetic retinopathy was 2.66 times higher in the group with ≥5 h of daily sunlight exposure than in the group with less exposure after adjusting for risk factors such as duration of diabetes, serum hemoglobin A1c level, hypertension, and dyslipidemia (P = 0.023). Furthermore, the risk of non-proliferative diabetic retinopathy was 3.13 times higher in the group with ≥5 h of daily sunlight exposure than in the group with less exposure (P = 0.009). In patients with diabetes for <10 years, the risks of diabetic retinopathy and non-proliferative diabetic retinopathy were 4.26 and 4.82 times higher in the group with ≥5 h of daily sunlight exposure than the group with less exposure, respectively (P < 0.05). Conclusions: This study revealed that sunlight exposure for ≥5 h a day was significantly associated with an increased risk of diabetic retinopathy and non-proliferative diabetic retinopathy in Korean patients with diabetes. The risks were significantly higher in patients with diabetes for <10 years. Therefore, reducing daily sunlight exposure could be an early preventive strategy against diabetic retinopathy in people with diabetes.
Files in This Item:
T202003070.pdf Download
DOI
10.1371/journal.pone.0237149
Appears in Collections:
1. College of Medicine (의과대학) > Dept. of Family Medicine (가정의학교실) > 1. Journal Papers
7. Others (기타) > Others (기타) > 1. Journal Papers
Yonsei Authors
Kim, Choon Ok(김춘옥) ORCID logo https://orcid.org/0000-0002-2319-1108
Lee, Duk Chul(이덕철) ORCID logo https://orcid.org/0000-0001-9166-1813
Lee, Hye Jun(이혜준)
URI
https://ir.ymlib.yonsei.ac.kr/handle/22282913/179646
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