Melanopic Equivalent Daylight Illuminance (EDI) measures how strongly light stimulates the eye's non-visual, circadian-regulating photoreceptors, expressed in lux.
Adequate melanopic stimulation during the day supports alertness and healthy sleep-wake rhythms — increasingly treated as a core design target for schools alongside visual lux.
See this parameter in action, across every stage and environment, in the full interactive simulator.
Open the full live simulator →Discussion
0 comments on this guide.
No comments yet — start the discussion.
