CIE National Committee Events

Knowledge about the effects of light on human health, behaviour, and well-being is advancing rapidly, as is interest in applying this knowledge in lighting technologies and practice.

This CIE Position Statement is the third... more

CIE 252:2024 Assessment of Discomfort Glare from Daylight in Buildings

Glare models developed for electric lighting conditions are not applicable to daylight situations. This report summarizes the daylight glare prediction models which were confirmed by independent studies.

The cause of the... more

CIE 254:2024 A roadmap toward basing CIE colorimetry on cone fundamentals

This Technical Report presents a roadmap for the CIE, to help guide its development of a new, complete, self-consistent system of CIE colorimetric measures, based directly on cone fundamentals, with explicit consideration of the... more

CIE S 027:2024 Photometry of road illumination devices, light-signalling devices and retroreflective devices for road vehicles

This International Standard provides requirements to perform reproducible photometric and colorimetric measurements on road illumination devices, light-signalling devices and retroreflective devices to be used in road vehicles. It... more

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CIE National Committee Events

June 25, 2025 to June 27, 2025

Shanghai, China

February 4, 2025

QUT Brisbane and Online

November 28, 2024 to November 29, 2024

Lütfi Kırdar Convention and Exhibition Center, Istanbul, Türkiye