References
- Direccion General de Estadisticas, Encuestas y Censos. Censo Nacional del Paraguay 1992. Fernando de la Mora, Paraguay.
- Social Affairs office of the President's Office. Draft for consultation and discussion. National Strategy for Reducing Poverty and Inequality. Asuncion, Paraguay, November 2002.
- Limburg H, Kumar R, Indrayan A, Sundaram KR. Rapid assessment of prevalence of cataract blindness at district level. Int J Epidemiol. 1997; 26:1049–1054.
- World Health Organization. Rapid Assessment of Cataract Surgical Services. A package for data entry and analysis from population based rapid assessments. Geneva: WHO/ PBL/oi.84.
- Thylefors B, Negrel A-D, Pararajasegaram R, Dadzie KY. Global data on blindness. Geneva: WHO, 1994 [WHO/PBL/94.401.
- Limburg H, Foster A. Cataract Surgical Coverage: an indicator to measure impact of cataract aintervention programmes. Comm Eye Health. 1998;25:3–6.
- Limburg H, Kumar R. Follow-up study of blindness attributed to cataract in Karnataka state, India. Ophthalmic Epidemiol. 1998;5: 211–223.
- Rapid assessment of cataract blindness in districts of Gujarat. State Ophthalmic Cell, Government of Gujarat, India, 1998.
- Murthy GVS, Gupta S, Ellwein LB, et al. A population-based eye survey of older adults in a rural district of Rajasthan. I. Central vision impairment, blindness and cataract surgery. Ophthalmology. 2001;108: 679–685.
- Amansakhatov A, Volokhovskaya ZP, Afanasyeva AN, Limburg H. Cataract blindness in Turkmenistan: results of a national survey. Br J Ophthalmol. 2002;86: 1207-121o.
- Haider S, Hussain A, Limburg H. Cataract blindness in Chakwal District, Pakistan — results of a survey. Ophthalmic Epidemiol. 2003;4:249–258.