if you stay on your phone all the time do you start having vision problems?

Question: if you stay on your phone all the time do you start having vision problems?
- Keywords:
  mobile phones,
  screen time,
  vision
Asked by anon-229339 to Alex on 19 Nov 2019.
- Alex Spiers answered on 19 Nov 2019:
  
  As far as I know, I’ve not heard about vision problems being an issue. One study reported some people get blurring of vision, but I am don’t think it is a large increase in risk of vision.

Question: if you stay on your phone all the time do you start having vision problems?