Using the 20-20-20 rule can help prevent eye strain when looking at screens. For every 20 minutes a person looks at a screen, they should look at something 20 feet away for 20 seconds. Following the ...
Although the 20-20-20 rule may sound like a very simple practice, its benefits aren’t so simple. Over time, this routine can enhance focus and may even help slow the progression of myopia, especially ...
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