How Much Screen Time Is Too Much for Your Eyes: Practical Ways to Protect Vision

https://www.normalbookmarks.win/1-finally-someone-explains-why-my-eyes-get-so-dry-by-3pm-at-work-i-m-at-my-screen-pretty-much-all-day-and-nothing-seemed-to-help-until-i-started-taking-breaks-like-you-mentioned-here-makes-a-real-difference

Let’s cut to the chase: there’s no single magic number of hours that applies to everyone. But that doesn’t mean we’re powerless. What matters is how you use screens, the conditions around your screen use, and who is sitting in front of the device