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Fig. 4 | BMC Public Health

Fig. 4

From: Global disease burden of uncorrected refractive error among adolescents from 1990 to 2019

Fig. 4

Global health burden distribution of URE among adolescents in different regions. Panel A. WHO regions. Panel B. Different SDI-level regions. All estimated GBD 2019 locations are divided into five groups referring to SDI quintile values: High SDI (0.805–1), High-middle SDI (0.690–0.805), Middle SDI (0.608–0.690), Low-middle SDI (0.455–0.608), Low SDI (0–0.455). Panel C. Different income-level regions. All estimated GBD 2019 locations are divided into four income groups according to GNI per capita, calculated using the World Bank Atlas method: High income ($12,696 or more), Upper middle income ($4096–$12,695), Lower middle income ($1046–$4095), Low income ($1045 or less). WHO, World Health Organization; SDI, Socio-Demographic Index; GNI, gross national income; URE, uncorrected refractive error

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