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Has the 20-20-20 rule actually been scientifically verified as the optimal regime for relieving eye strain or was it something thought up by some bloke off the
by naich 11y ago
Has the 20-20-20 rule actually been scientifically verified as the optimal regime for relieving eye strain or was it something thought up by some bloke off the top of his head?
- drwl 11y agoI wasn't able to find any conclusive evidence, but there are studies that have shown that taking breaks and changing the distance of what you're focusing on (things that the 20-20-20 rule suggests to do) can help improve eye strain. One study: http://www.ajronline.org/doi/pdf/10.2214/ajr.184.2.01840681 http://www.ajronline.org/doi/pdf/10.2214/ajr.184.2.01840681