Half the world to be short-sighted by 2050 Posted on March 9, 2016 by Deep Boy with glasses (stock image). The number with vision loss from high myopia is expected to increase seven-fold from 2000 to 2050, with myopia to become a leading cause of permanent blindness worldwide. Credit: © gamelover / Fotolia Half theRead More Half the world to be short-sighted by 2050