LED Lights Health Risks

The blue light emitted by LEDs is omnipresent in our environment.

The majority of our lighting uses this technology, just like our screens (TV, computer, tablet, smartphone).

What are the risks associated with LEDs?
Which populations should protect themselves and how?

What is blue light?

Namely: at the very beginning, the LEDs were used only as warning lights. Then they were used for the lighting of television and computer screens, before being used as a lighting system in its own right.

Emitting diodes or LEDs have literally invaded our environment.
Economical due to their low energy consumption and very long life, they are widely used for lighting our homes, workplaces, public places such as gyms and shopping centers, etc. They are also used for street lighting, streets, highways. They are also found in the headlights of our cars or in light therapy devices, not forgetting television, computer and smartphone screens …

These LEDs emit so-called artificial blue light, a white light component as that emitted by the sun or by a conventional light bulb, which is composed of the colors of the rainbow sky. Except that this blue light emitted by LEDs is much stronger than the ultraviolet and more charged with energy than natural light.
For example, LED luminance is up to 1.000 times higher than conventional lighting (halogen, low energy lamp). It is therefore legitimate to ask whether this light presents risks to health and whether it can be protected.

What are the risks of blue light?

A study of blue light waiting
The National Health Security Agency for Food, Environment and Labour (Anses), instructed a group of experts to assess the risks associated with blue light. In 2010, their report noted that there is still little data available to rule on potential hazards.
On the other hand, studies are increasing, showing that evening use of screens (smartphones, tablets, computers, TVs) disrupts the sleep / sleep rhythm and delays falling asleep, with subsequent academic and professional repercussions: fatigue, drowsiness, Disturbances of attention, concentration, decreased productivity…

LED, risks clearly evoked:

Several risks are associated with blue light:

  • Toxic effect on the lens and retina.
  • Aggravating effect on age-related macular degeneration (AMD).
  • Disturbance of circadian rhythms (biological clock).
  • Glare and visual discomfort.
  • Stroboscopic effect related to the fluctuation of the intensity of the light but which is visually imperceptible.

Gallery

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