The libraryFocus
Scheduled screen breaks
20-second breaks every 5, 10 or 20 minutes left the eye strain exactly where it was.
Also called Scheduled screen breaks for digital eye strain
Who it's forAny man at a screen all day who's been told to look 20 feet away every 20 minutes.
Emergency: call 911.
I am not a doctor. This is not medical advice. This is self-education. Talk to a physician who has your history before you change anything.