Tag: <span>20-20-20 rule</span>

Home / 20-20-20 rule
Does the 20-20-20 rule prevent eye strain?
Post

Does the 20-20-20 rule prevent eye strain?

Spending long periods looking at a screen can strain the eyes. Using the 20-20-20 rule can help to prevent this problem. For every 20 minutes a person looks at a screen, they should look at something 20 feet away for 20 seconds. Following the rule is a great way to remember to take frequent breaks....