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The association between refractive cutoffs for spectacle provision and visual improvement among school-aged children in South Africa
Congdon, N. G, Patel, N., Esteso, P., Chikwembani, F., Webber, F., Msithini, R. B., Ratcliffe, A.Volume:
92
Language:
english
Journal:
British Journal of Ophthalmology
DOI:
10.1136/bjo.2007.122028
Date:
January, 2008
File:
PDF, 239 KB
english, 2008