Computer vision syndrome

Computer vision syndrome

Computer vision syndrome (CVS) consists of a number of eye and vision problems associated with the frequent use of a computer or other electronic devices and develops in three-quarters of these users, the majority of whom are children.

It is caused by long-term vision in the displays and insufficient tear secretion due to reduced blinking, brightness and flickering of the monitor. When we look at the monitor, our eyes shake 6 to 8 times a minute, instead of the required 16 to 20 winks.

The most common symptoms for this syndrome include:

  • Fatigue and eye strain
  • Dry eyes
  • Burning sensation in the eyes
  • Sensitivity to light
  • Blurred vision
  • Headache
  • Sensitivity to sharp movements
  • Pain in the neck, shoulders and back

Against nature
The long look in the computer screen is a problem for the eyes for a simple reason. Technology has been improved on a daily basis, but eye morphology has not changed for thousands of years. Physically, the human eye is not suited for long-term focusing. In addition, viewing in electronic screens is different from reading printed materials. The press has a better contrast, while it is much harder to focus on the electronic image, which requires more effort. It is related to adjusting the eyes to the contrast, screen shimmering, and overloads eyes.

Eye aerobics
Doctors advise every 30 minutes to close slowly our eyes a few times. This helps update the tear film. Also, every half an hour, to take a look from the screen and focus it in distant subjects for about twenty seconds. Great relief can also be achieved by focusing from 5 to 10 seconds in close and distant subjects. This exercise must be accomplished at least ten times.

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