S. Arunga, J. Onyango, S. Ruvuma, and A. Twinamasiko, “Prevalence and Causes of Blindness and Severe Visual Impairment (BLSVI) Among Children in Ntungamo District, Southwestern Uganda: A key Informant Cross-sectional Population Survey”, J Ophthalmol East Cent South Afr, vol. 20, no. 01, Jul. 2016.