1. Epidemiology of childhood blindness;Foster;Eye,1992
2. World Health Organization. Preventing blindness in children: report of WHO/IAPB scientific meeting;Vision for Children,2000
3. Glaucoma in children;Wagner;Pediatr Clin North Am,1993
4. An update on progress and the changing epidemiology of causes of childhood blindness worldwide;Kong;J AAPOS,2012
5. Population based assessment of childhood blindness in southern India;Dandona;Arch Ophthalmol,1998