Lots of People Are Losing Distance Vision, and No One Knows Why

Lots of People Are Losing Distance Vision, and No One Knows Why
Between the 1970s and the early aughts, the incidence of myopia in the US nearly doubled, to 42 percent.

February 17, 2016 at 10:41AM
via Digg http://ift.tt/1Sye1lC