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pro vyhledávání: '"Ben D. Kumah"'
Autor:
Angela Ofeibea Amedo, Ben D. Kumah, Mohammed Abdul-Kabir, Abdul-Sadik Ahmed, Anne Effiom Ebri, Samual Aikins, Seth Lartey, Amos K. Aikins, Nana Ya Koomson, Kovin Naidoo
Publikováno v:
Optometry and Vision Science. 90:1456-1461
Purpose. To assess the prevalence of refractive error and visual impairment in private school children in Ghana. Methods. A random selection of geographically defined classes in clusters was used to identify a sample of school children aged 12 to 15