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The Global Burden of Visual Difficulty in Low, Middle, and High Income Countries
PURPOSE: Using a world-wide, population-based dataset of adults, we sought to determine the frequency of far visual difficulty and its associated risk factors. METHODS: The World Health Survey (WHS) was conducted in 70 countries throughout the world in 2003 using a random, multi-stage, stratified, c...
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| Main Authors: | , , , , , , |
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| Formato: | Artigo |
| Idioma: | Inglês |
| Publicado em: |
Public Library of Science
2013
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| Assuntos: | |
| Acesso em linha: | https://ncbi.nlm.nih.gov/pmc/articles/PMC3651198/ https://ncbi.nlm.nih.gov/pubmed/23675477 https://ncbi.nlm.nih.govhttp://dx.doi.org/10.1371/journal.pone.0063315 |
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