Myopia / Near Sightedness, correlated from use of screens, books, etc. can be stopped and reversed according to www.endmyopia.org.

It takes consistent monitoring and a lifestyle change.

What can you do?

Get outside for 1-3hrs a day.

Sunlight is good, even on cloudy days.

Continuous long distance viewing helps your eye muscles. It relaxes them.

Like the gym, if you use a muscle in a certain way more, you improve it.