Seeing Clearly: Red-teaming GiveWell’s Glasses Research by Zach Gilfix

If you are one of the 166 mil­lion Amer­i­cans who wear glasses, take them off. Now imag­ine go­ing your whole life like that. Not fun, right? Whether due to pro­hibitive cost or a lack of aware­ness/​ed­u­ca­tion, over a billion peo­ple are es­ti­mated to be liv­ing with avoid­able vi­sion im­pair­ment.Sounds like a promis­ing cause area! GiveWell has done a few analy­ses on eye­glasses pro­vi­sion and is fund­ing an on­go­ing RCT that will provide our best ev­i­dence yet on the effects of cor­...