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Staring at digital gadgets will not necessarily harm your eyesight. However, it might induce stress and unpleasant effects. Humans usually blink 15 times per minute. When gazing at a screen, this amount drops to half or a third, and the eyes get dry, itchy, and tired. The 20-20-20 rule has received little scientific investigation, althoughContinue reading “What Does Research Say About The 20-20-20 Rule ?”