Global magnitude of visual impairment caused by uncorrected refractive errors in 2004
Estimates of the prevalence of visual impairment caused by uncorrected refractive errors in 2004 have been determined at regional and global levels for people aged 5 years and over from recent published and unpublished surveys. The estimates were based on the prevalence of visual acuity of less than...
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The World Health Organization,
2008-01-01T00:00:00Z.
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