Investment by organizations and agencies has led to a growing body of evidence and information to assist ophthalmologists and others to meet the needs of children with cataract in Africa. The geographic distribution of research, training, and programme development across Africa has been uneven; investment has been greatest in eastern and southern Africa. Population based surveys (using key informants) suggest that 15-35
作者：Paul, Courtright
来源：Saudi journal of ophthalmology : official journal of the Saudi Ophthalmological Society 2012 年 26卷 1期
