title: Cataract--a global perspective: output, outcome and outlay.
abstract: There are approximately 20 million people blind from cataract in the world, the majority of whom do not have access to affordable cataract surgery. This article will briefly address three questions regarding service delivery: How many cataracts need to be operated on? What are satisfactory results? How can cataract surgery be made affordable?
authors.affiliation: London School of Tropical Medicine and Hygiene, UK. allenfoster@compuserve
authors.forename: A
authors.initials: A
authors.lastname: Foster
mesh_terms: D002386:Cataract / Q000453:epidemiology*; D002387:Cataract Extraction / Q000191:economics / Q000706:statistics & numerical data*; D014943:Global Health; D017048:Health Care Costs; D006801:Humans; D016896:Treatment Outcome