This rule has been introduced to reduce eye strain. According to the American Optometric Association, for every 20 minutes you spend watching the digital screen, you should take a break for 20 seconds to look at something else that is 20 feet away.

20-20-20 rule
This rule has been introduced to reduce eye strain. According to the American Optometric Association, for every 20 minutes you spend watching the digital screen, you should take a break for 20 seconds to look at something else that is 20 feet away.
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© 2023 Skillioma.com - a brand name of iLumen Pvt Ltd.