The major cause root behind the condition is our eyes follow the same path over and over again. While working in front of the screen, your eyes might have to focus and refocus again
Written by Kashish Sharma | Published : October 17, 2022 5:22 PM IST
Sitting and staring at a computer screen for long hours has become quite a lifestyle. Following the pandemic, screen time has been extended in literally all areas of life. While this over-dependence on digital presence has made life easier for many, it has sure become bad news for our eye health.
As per the WHO, more than 2 billion people have near or distant vision impairment. Interestingly, at least 1 billion people or almost half of these people, have a vision impairment that could have been prevented. While globally the leading cause of vision impairment are age-related muscular degeneration, cataract, diabetic retinopathy, glaucoma and uncorrected refractive disorder, there have been a set of eye conditions essentially triggered by spending too much time before the screen. Called computer vision syndrome (CVS), this is not just one condition but a set of them that can cause eye strain and discomfort. These conditions are primarily caused by the prolonged use of digital screens.
In some ways, computer vision syndrome is much similar to nerve compression and other repetitive motion injuries that one might get at work. The major cause root behind the condition is our eyes follow the same path over and over again. While working in front of the screen, your eyes might have to focus and refocus again. The constantly changing images, for instance, from looking down at the paper and then moving our gaze back to the screen. If during working hours, one doesn't blink frequently, it can dry out the eyes and can periodically make your vision blurred. It gets even worse if your eye lens has already become inflexible. Also Read International Day Of Older Persons: Tips To Keep Your Eyes Young As You Age7 Common Eye Problems Facing People TodayEye Health Is Critical: Know How Binge Watching Affects Them More News
The symptoms of computer vision syndrome might differ from one person to another. While there is not much proof to show that these symptoms might have a long-term impact but they cause discomfort and strain on a regular basis-
Blue light is one of the several colours of the visible light spectrum. Each colour has a different wavelength and energy, hence, each colour affects your eyes differently. Some research has found a relationship between eye damage and short-wave blue light. In a phenomenon called phototoxicity, a short-wave blue light can damage your retina. Since the blue light passes straight to the back of your retina, it can increase the risk of macular degeneration, a disease that affects the retina. In a study, two hours of exposure to blue light was seen to slow down the release of melatonin, thereby disrupting the sleep cycle.
In a time when working before a screen has become inevitable and with the popularity of phone-run cinematic apps like Netflix, Prime and others, our eyes have become one of the most vulnerable organs. While one can't stop work or pleasure, one can take measures to use our eyes in the least damaging way. Dr Arvind Kumar, Senior Consultant Opthalmology (Fortis Escorts Hospital, Faridabad) shared some tips to ensure good eye health
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