What’s the 20-20-20 Rule?
Take regular breaks using the “20-20-20” rule: every 20 minutes, shift your eyes to look at an object at least 20 feet away, for at least 20 seconds. -Taken from American Academy of Ophthalmology website
Your eyes need adequate tears to look and feel their best. Untreated dry eye can even make your vision blurry. There are many treatments available from over-the-counter artificial tears to prescription medications to blue light blocking glasses. Sometimes extended screen time or reading can make symptoms worse. Are your eyes uncomfortable?
https://www.aao.org/eye-health/tips-prevention/computer-usage