Difference between revisions of 20-20-20 rule

20-20-20 rule (view source)

127 bytes added , 9 February 2022

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 EM finds that short breaks are less effective and recommends longer breaks, possibly less frequently to compensate for the longer duration.
 * After you do close-up for 20 minutes continuously, take a 5 minute break.<ref>{{Cite web |title=Eye Strain Awareness: Prevent Pseudo Myopia - Endmyopia |url=https://endmyopia.org/breaks-are-key-to-build-eye-strain-awareness/ |last=Steiner |first=Jake |website=endmyopia.org |access-date=2020-06-01}}</ref>
-* If you do close-up for 3 hours continuously, take the longest break you can (half hour to hour) ([[3 hour rule]])<ref>[https://endmyopia.org/how-to-improve-eyesight-five-steps/ How To Improve Your Eyesight: Just 5 Steps]</ref>
+* After you do close-up for 3 hours continuously, take the longest break you can (half hour to hour) ([[3 hour rule]])<ref>[https://endmyopia.org/how-to-improve-eyesight-five-steps/ How To Improve Your Eyesight: Just 5 Steps]</ref>
-* Take your break outside.  <ref>[https://endmyopia.org/must-read-going-outside-to-improve-your-eyesight/ Must Read: Going Outside To Improve Your Eyesight]</ref>
+* Take your break outside.  <ref>[https://endmyopia.org/must-read-going-outside-to-improve-your-eyesight/ Must Read: Going Outside To Improve Your Eyesight]</ref>. Notice how the lower frequency (3 hours instead of 20 minutes) is balanced by the increased duration (1 hour vs 5 minutes)
 * As you develop [[Strain Awareness]] you can customize your break schedule to your needs.