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India has a large burden of blindness and population-based screening is a strategy commonly employed to detect disease and prevent morbidity. However, not all diseases are amenable to screening. This communication examines the issue of 'population-based screening' versus 'case detection' in the Indian scenario. Using the example of glaucoma, it demonstrates that given the poor infrastructure, for a 'rare' disease, case detection is more effective than population-based screening.
R. Thomas, MD, LV Prasad Eye Institute, Department of Ophthalmology, LV Prasad Marg, Banjara Hills, Hyderabad-500 034, India. ravithomas@lvpeye.stph.net
1.6 Prevention and screening (Part of: 1 General aspects)