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I do an exercise each day where I try to (for at least 10 minutes) look at very distant objects like the horizon or a tree in the distance. I do this because it relaxes the eye especially if you work with screens all day (which I do).

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I've heard the rule that it should be like at least 20 seconds every 20 minutes or so. Of course, it's all just heuristics, though.

None of these eye exercises have any benefit for myopia prevention. They might reduce eyestrain, but that is not related to the article.

The rule is every 20 minutes look 20 feet away for 20 seconds. They say to keep 20/20, follow 20/20/20.

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