Antoine U Viola, PhD, Lynette M James, Luc JM Schlangen, PhD, Derk-Jan Dijk, PhD

Objectives Specifications and standards for lighting installations in occupational settings are based on the spectral sensitivity of the classical visual system and do not take into account the recently discovered sensitivity of workers to blue light. The authors investigated the effects of exposure to blue-enriched white light during daytime work hours in an office setting.

Conclusions Exposure to blue-enriched white light during daytime work hours improves subjective alertness, performance, and evening fatigue.

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    Lighting for Healthcare & Nursing Homes

    A new lighting system not only improves the look and feel, but also reduces costs and has been proven to reduce errors and accidents. Healthcare facilities can uniquely benefit from a lighting upgrade by reducing costs while improving revenue and patient outcomes.

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