When evaluating light intensity, we usually talk about lux (lx). However, lux is a metric based on the sensitivity of the human eye for vision (photopic intensity). For our health and circadian rhythms, a different quantity is far more important: melanopic intensity (Melanopic EDI lux).
The physical difference between vision and non-visual biological effects:
While a standard lux meter measures light according to how we see it (with emphasis on the yellow-green region), the melanopic metric evaluates light according to how strongly it activates the non-visual system of the eyeâspecifically the ipRGC cells in the retina that control our biological clock. These cells are sensitive to the cyan/azure part of the spectrum (peaking at 480 nm).
Typical LED luminaires may have high values in photopic lux (they look bright) but very low melanopic efficacy (for the brain it is âdarkâ), because they lack the cyan component (the cyan gap problem).
The advantage of Spectrasol: High biological effectiveness
Our procognitive lighting is optimized to deliver maximum melanopic energy while maintaining top-tier visual comfort. Thanks to a balanced spectrum inspired by sunlight, we achieve a high ratio of melanopic lux to photopic lux. This means our light more effectively charges your âinternal batteries,â supports alertness, and synchronizes the circadian rhythmâwithout the glare of excessive intensity.
Translated using AI
