Answers for "20 minute timer"

20 minute timer

for good eyesight every 20 minutes look out the window 
at something 20 feet away for 20 seconds

Posted by: Guest on January-27-2021

20 minute timer

For the 20/20/20 rule you can also close your eyes for 20 seconds
and get the same results because it relaxes the mucles in your eyes.

Posted by: Guest on April-26-2021

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