This archive report was first published on 5 October 2019.
As we increasingly rely on digital gadgets, a silent threat to our vision is emerging. According to a 2018 study published in the British medical journal Open Ophthalmology, 50% of digital device users experience vision problems and eye discomfort.
These issues are often linked to prolonged screen time, which can cause our eyes to work harder than they would when reading text on paper. When we read or watch captivating material on a screen, our blinking rate is reduced by a third or even a half of its normal rate, leading to a burning sensation in the eyes.
Furthermore, the posture we adopt while using digital devices can exacerbate these problems. If the screen is placed above or below eye level, it can strain the nerves connecting the eye to the brain, leading to fatigue and headaches.
However, there are simple steps we can take to mitigate these risks. By following the 20-20-20 rule – looking away from the screen every 20 minutes to focus on an object 20 feet away for 20 seconds – we can give our eyes a break and reduce the risk of eye strain.
Additionally, using night-time mode on our devices or keeping them away from our beds for at least two to three hours before bedtime can help minimize the impact of blue light on our sleep patterns.
As we continue to embrace digital devices, it's essential to be aware of their potential risks and take steps to protect our vision.