In an article published in LIGHT LINES, four lighting experts say current lighting design practices are based on satisfying outdated tasks, resulting in inadequate designs, missed opportunities, and an improper understanding of efficient delivery of light.

In a nutshell, the experts, including Kevin Kelly, Christopher Cuttle, Peter Boyce, and Peter Raynham, say current lighting design focuses on delivering proper illuminance on a horizontal task plane, which in turn was based on predominant paper-based tasks. They call for providing minimum ambient illuminance, which involves lighting the volume of the space and lighting equipment that delivers light to room surfaces like walls and ceilings as well as the traditional workplane.

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