I've heard the rule that it should be like at least 20 seconds every 20 minutes ... | Hacker News

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		jolmg on Sept 30, 2019 \| parent \| context \| favorite \| on: Increased rates of myopia linked to reduced time o... 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.

lern_too_spel on Sept 30, 2019 | [–]

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

soared on Sept 30, 2019 | [–]

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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