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, although American eye associations endorse it as a strategy to decrease eye strain.
In a research study conducted among Malaysian university students on the consequences of computer use, over 90% of the 795 participants had screen-induced eye strain symptoms after using the computer for two hours.
Taking regular breaks to stare at distant objects while using the computer reduces eye strain sensations, making the 20-20-20 guideline effective.
While many doctors advocate for 20-20-20, experts emphasize that a break from prolonged computer screen exposure is helpful. They further add that youngsters generally do not feel eye strain compared to adults. As such, caregivers should constantly supervise their children’s screen usage. Regular eye examinations at an Eye Center Land Park Sacramento is a proactive way of taking care of your sense of sight.
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