FAQ/Glossary

Should you direct your lights into the ceiling? And why?

Procognitive window 5 – Like in the open air.

  • Even lighting: The light is diffused throughout the room, eliminating harsh shadows and creating a pleasant, soft lighting.
  • Less eye strain: The eyes are not exposed to direct light, which reduces eye fatigue and improves visual comfort. The unified glare rating (UGR) of indirect luminaires is equal to zero.
  • A more pleasant ambiance: The soft, diffused light gives a natural impression and creates a pleasant atmosphere in the room.
  • Mimics natural light: Light reflected from the ceiling resembles natural light coming from the sky.
  • Versatile use: This type of lighting is suitable for all types of daytime activity rooms with a bright, optimally white ceiling.
  • Better impression of the space: If the ceiling is light, light is best reflected from it and the room looks bigger and airier.

What effects does direct illumination produce?

  • creates unpleasant, harsh shadows that tire the eyes.
  • is uneven and can be blinding.
  • can create a cold and unnatural atmosphere.

To sum up: Fill your rooms with reflected light: your eyes will be less tired, and you will feel much more comfortable in the room.

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