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NewsColony Optometrist Daniel Cornelius reveals worrying health dangers of staring at a screen all day An optometrist has revealed what really happens to our eyes after staring at a screen for hours on end – as Australians increasingly spend more time in front of computers and TVs during coronavirus isolation. Daniel Cornelius, a member of the Optometrists Board of Australia, detailed the alarming eye-health dangers of staring at the computer, laptop, smartphone and television – and why we should always take regular breaks using the ’20-20-20′ rule. The partner optometrist of Clearly.com.au said staring at your screen for multiple hours can lead to eye strain, dry and irritated eyes, headaches and blurry vision. ‘This will cause an increased level of eyestrain to every human eye, even for eyes with perfect vision and no focus problems,’ he explained. ‘The eyestrain can also lead to headaches and blurry vision in the short term.’ For permanent long-term cases, he said you co...