Gazing at smartphone in the dark may cause 'blindness'

[ahlam1399]

This comes as a warning for all those who keep their smartphone devices next to them while sleeping and have a habit of gazing at their precious phones in the dark.

أكثر... ( http://zeenews.india.com/news/science/gazing-at-smartphone-in-the-dark-may-cause-blindness_1899026.html )