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Simple 20-20-20 screen rule really does help with eye strain, research shows

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Fuente: Health News Report - View all news from this site
Simple 20-20-20 screen rule really does help with eye strain, research shows Simple 20-20-20 screen rule really does help with eye strain, research shows

Simple 20-20-20 screen rule really does help with eye strain, research shows






It?s long been recommended as a way of easing eye strain while working at a computer screen. Now the 20-20-20 rule ? taking a break of at least 20 seconds, every 20 minutes, to look at least 20 feet away - has been confirmed by scientists at Aston University to help ease some of the symptoms of prolonged computer use.It?s estimated that at least half of people using computers in their regular work have some form of digital eye strain, resulting in eye surface problems including irritation and dryness, or vision issues such as headaches or blurred vision. Humans normally blink around 15 times each minute. When staring at screens, this number decreases generally to half that rate or less. That can lead to dry, irritated, and tired eyes, but twenty seconds focusing elsewhere is long enough for the eyes to relax enough to reduce the strain.This is the first time that the 20-20-20 guidance rule has been properly validated.  Researchers at Aston University?s College of Health and Life Sciences set up their study with the help of 29 participants who suffer from symptoms of eye strain. Special software downloaded onto the participants? own laptop computers used the built-in laptop camera both to check if a user was sitting at the screen and to monitor their gaze direction every few seconds. After 20 minutes of continuous screen viewing, the programme flashed up a message, asking users to rest for 20 seconds while looking at any distant target around 20 feet aw...
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Simple 20-20-20 screen rule really does help with eye strain, research shows Simple 20-20-20 screen rule really does help with eye strain, research shows

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News source: Health News Report
Publication date: 22-09-2022 16:08
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