Integrative
Lighting Design

Core Lighting
Standards
- IES Lighting
Library & ANSI/IES standards: ANSI/IES RP-29 (Healthcare
Facilities) and related IES Recommended Practices have been
updated in the last few years to integrate LED, controls, and
visual comfort guidance for exam rooms, ORs, ICUs, patient rooms,
and behavioral health.
- CIE updates:
CIE work on melanopic equivalent daylight illuminance and
non-visual effects of light is increasingly referenced in
healthcare lighting, influencing spectral tuning, night lighting,
and patient room design (e.g., for delirium, sleep, and staff
fatigue), although not yet codified in most building codes.
- EN / ISO / IEC
landscape:
- EN
12464-1/-2 (lighting of work places) inform design in
European healthcare where spaces are treated as workplaces
(clinics, labs, offices, etc.), with targets for
illuminance, UGR, and uniformity.
- IEC
60601-2-41 (surgical luminaires) and IEC 62471
(photobiological safety) remain critical where surgical and
examination luminaires are used.
- DIN 67600
(biologically effective lighting) is still influential for
circadian concepts that are now being adapted into
healthcare applications.
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Core
sustainable lighting strategies
From the current literature on sustainable lighting design, the
direction is clear: integrate efficient sources, daylight, controls, and
health-supportive qualities in one coherent concept.