The 20-20-20 rule says that after spending 20 minutes on the computer, a person should spend 20 seconds looking at an object 20 feet away. This may help to prevent eyes from becoming dry or watery. Here, learn why the 20-20-20 rule is effective. We also describe other ways to protect the eyes from digital strain.
https://www.teleconsulteurope.com/wp-content/uploads/2014/11/teleconsult-logo-300x124.png 0 0 Featured Health News from Medical News Today https://www.teleconsulteurope.com/wp-content/uploads/2014/11/teleconsult-logo-300x124.png Featured Health News from Medical News Today2018-04-18 20:00:002018-04-18 20:00:00Medical News Today: Does the 20-20-20 rule prevent eye strain?