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. 2021 Feb 16;9(4):e489–e551. doi: 10.1016/S2214-109X(20)30488-5

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© 2021 The Author(s). Published by Elsevier Ltd. This is an Open Access article under the CC BY 4.0 license

This is an open access article under the CC BY license (http://creativecommons.org/licenses/by/4.0/).

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Box and whisker chart plotting Global Burden of Disease super-region against number of cataract surgeries per million population per year. The purpose is to show a wide variation, with the highest number for high-income countries and the lowest for sub-Saharan Africa. — Cataract surgical rate by Global Burden of Disease super region

Box and whisker plots; midlines are the median, boxes represent IQR, whiskers are upper and lower adjacent values. Outliers are plotted as individual dots.