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Screens and Visual Health: Where are we?

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The dangers of screens for our eyes often come to the fore. Technologies evolve at a high speed and we must often make sure that they do not pose too great a risk to our health , especially as the omnipresence of screens can have other consequences. So what are the recommendations, should we adapt our workspaces? In the end, concerning screens and visual health : where are we?

For a good visual health vis-a-vis the screens, common sense and precaution

It's been a long time thought that the screens caused a drop in vision and made even myopic! This is not the case. However, we also know that spending too much time in front of the screens can have a devastating effect on our visual health , but also on the neck, the back and more generally on the whole body. Young people are particularly affected because they would spend about 15 hours a week just on the internet.


The consequences can be serious, even worrying: eye pain, tingling, burning sensation, dry eye …

The dry eye intervenes because, in front of a screen, tends to blink less than in a face-to-face conversation. This causes a faster evaporation of the tear fluid.


But everything is a question of measurement. To date, it is not proven that the light of the screens is more dangerous than the UV rays of the sun, on the contrary!

Continue to follow precautionary measures, apply new ones

Faced with these risks, the government is warning, in the new health record, of the risks associated with having screens for young children. Thus, it is advisable to avoid putting a child in a room where the television is switched on before the age of 3.


The use of phone or tablet, to occupy, calm or in a pedagogical setting, is strongly discouraged.

Finally, for others, a reminder of a few rules helps protect yourself, although some technologies may be less dangerous than others:

  • Adjust the intensity and contrast of the screen according to the ambient light.
  • Adjust the position of the screen so that it is lower than your gaze and at a distance of 50 to 90 cm from your eyes. Beware of reflections from the window or lamp that should not appear on the screen.
  • Take breaks regularly following the 20/20/20 rule. Stop your activity on screen for 20 seconds every 20 minutes and set a point 20 meters away.
  • Remember to blink often.
  • Moisten your eyes regularly.