Lto computer vision syndrome (CVS) is quite common in people who spend time many hours a day in front of the pc. The same then, spend more time in front of smartphone, tv and tablet screens. The result is that you get used to staring at a screen constantly troubles the eyes enough to report, in some cases, visual, neurological and motor symptoms. So what to do?
Computer vision syndrome: symptoms
“It concerns, albeit with different intensities, between 70 and 90% of those who spend a lot of time in front of a screen. Incidentally, these people are often unaware that they suffer from it. There are many symptoms associated with computer vision syndrome: you go to those visual and neurological to problemsmusculoskeletal system due to positions taken for too long. Among the most common we indicate the burning eyes, eyestrain, headache and a series of pain in the neck due to the position of the head to fix the monitor. Symptoms can be transient and go away as soon as you move away from the monitor “, explains Professor Paolo Vinciguerra, Head of the Ophthalmology Unit of Humanitas and full professor of Humanitas University.
What happens to the eyes
“It is important to know that when you look at a screen for a long time, the eyes close less frequently. In fact, if we normally open and close them between 17 and 20 times a minute, when we work on the computer we go to 12-15 times, thus creating an overload for the eyes. In computer vision syndrome the most frequent symptoms affecting the eyes are the double or blurred vision, burning, itching, redness of the eyeball it’s a dry eye generic », underlines the expert.
The effects of electronic devices on vision
“Symptoms don’t usually appear immediately, but they do show up after two or three hours of work. Often they affect the performance of those who suffer from it, with a drop in concentration which can join sensations of unease And anxiety. In addition to a predisposition, as in cases where you have particular vision defects, these symptoms can depend on different causes. Also for example from the monitor that you use, if it has poor resolution and characters that do not have well-defined outlines. In addition, a lower frequency in closing the eyelids can then contribute to sense of dryness and fatigue and in some people it makes it more likelyredness», Professor Vinciguerra continues.
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What to do
«Although particularly annoying, the computer vision syndrome it does not cause damage in the long runbut it can certainly facilitate the onset of other pathologies, starting with dry eye syndrome. Between remedies that can help the eyes there is to observe a point 10 meters away, for at least 20 seconds, approximately every 20 minutes. A lot of attention must be paid to the monitor, which must be high definition, with the right brightness and preferably with a yellow light. Last but not least, you need to pay attention to your posture, keeping your shoulders and head back », advises the expert.
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