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Night blindness in preschool-aged children, by country
Night blindness in preschool-aged children, by country
Data from surveys and regression-based estimates, prepared by the World Health Organization.
GDP: gross domestic product.
Reprinted from: World Health Organization Global Database on Vitamin A Deficiency, Global prevalence of vitamin A deficiency in populations at risk, 1995-2005. Available at:
http://apps.who.int/iris/bitstream/handle/10665/44110/9789241598019_eng.pdf
(Accessed November 14, 2021).
Graphic 101071 Version 6.0