Visual Acuity Outcomes in Diseases Associated with Reduced Visual Acuity: An Analysis of the National Health Insurance Service Database in Korea

Sang-Yeob Kim, Byeong-Yeon Moon, Hyun-Gug Cho and Dong-Sik Yu
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Sang-Yeob Kim: Department of Optometry, Kangwon National University, Samcheok 25949, Korea
Byeong-Yeon Moon: Department of Optometry, Kangwon National University, Samcheok 25949, Korea
Hyun-Gug Cho: Department of Optometry, Kangwon National University, Samcheok 25949, Korea
Dong-Sik Yu: Department of Optometry, Kangwon National University, Samcheok 25949, Korea

IJERPH, 2022, vol. 19, issue 14, 1-12

Abstract: Visual acuity declines with age, and disease-related visual acuity changes vary. We evaluated factors affecting visual acuity and age-related visual acuity in diseases associated with reduced visual acuity such as hypertension, diabetes mellitus (DM), glaucoma, and diabetic retinopathy (DR). The Korean National Health Insurance Service 2015–2016 data were analyzed for age-related visual acuity changes and prevalence of diseases associated with reduced visual acuity. Among 993,062 participants, the prevalence rates of hypertension, DM, glaucoma, and DR were 27.0%, 15.1%, 13.8%, and 2.7%, respectively. Despite having the lowest prevalence, DR alone or DR with hypertension and glaucoma resulted in low visual acuity. Correlation analysis between disease frequency and mean age-related visual acuity revealed higher positive correlations in DR and hypertension than in DM and glaucoma, indicating lower visual acuity. Odds ratios for low visual acuity in cases including one disease such as hypertension, DM, glaucoma, and DR were 1.73, 1.23, 1.04, and 1.52, respectively. The prevalence and number of diseases associated with reduced visual acuity increased with age, and visual acuity decreased. The leading causes of vision loss were DR as a single disease and hypertension as a concomitant disease. Therefore, age-related vision management, through periodic eye examination and correction with age, should be performed along with management of diabetes and hypertension.

Keywords: visual acuity; hypertension; diabetes mellitus; glaucoma; diabetic retinopathy (search for similar items in EconPapers)
JEL-codes: I I1 I3 Q Q5 (search for similar items in EconPapers)
Date: 2022
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