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?. © 1999 Royal College of Ophthalmologists.