Improving eyesight in poor countries could have a big impact on the productivty, wealth and quality of life of almost a third of the world’s people

Improving eyesight in poor countries could have a big impact on the productivty, wealth and quality of life of almost a third of the world’s people pic.twitter.com/BjJUErEdoY

— The Economist (@TheEconomist) August 13, 2018