[–] [Deleted] 0 points (+0|-0) "At this point in time there is not sufficient evidence to prove that there are any direct long-term harmful effects of smartphone usage on eyesight." "At this point in time there is not sufficient evidence to prove that there are any direct long-term harmful effects of smartphone usage on eyesight." permalink source
"At this point in time there is not sufficient evidence to prove that there are any direct long-term harmful effects of smartphone usage on eyesight."