Thread: LCD and your eyes
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Old 08-05-2017, 06:33 AM   #82
John F
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Join Date: Feb 2009
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Quote:
Originally Posted by toddhicks209 View Post
You're really supposed to look at objects 20 feet away from your computer screen every 20 seconds.
Quote:
Originally Posted by HarryT View Post
Who makes this supposition?
20 seconds is probably a typo/mistake.

http://www.allaboutvision.com/cvs/irritated.htm
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