Cataracts account for about half of all cases of blindness worldwide, with the vast majority in developing countries, where blindness and visual impairment can reduce life expectancy and economic productivity. Most of these cases can be cured by quick, in
James R. Broyles,Peter Glick,Jianhui Hu,et al. Cataract Blindness and Simulation-Based Training for Cataract Surgeons: An Assessment of the HelpMeSee Approach. 2012-01-01.