Warby Parker has an app that checks your eyes at home
 

Usually, completing a vision test for new glasses requires a trip to the optometrist and the glasses store. Newly announced technology could change that, however. Warby Parker, which started out as a try-before-you-buy mail-order eyeglasses company,...

https://www.engadget.com/2017/05/23/...cks-eyes-home/