Latest Publications

  For download: CIE Position Statement on Non-Visual Effects of Light - Recommending Proper Light at the Proper Time, 2nd Edition, October 2019   October 3, 2019   Background Light is defined as any electromagnetic radiation that can create a visual sensation by directly stimulating the retinal... more
The purpose of this publication is to provide guidance about the objectives and underlying principles relating to the lighting aspects of the urban nightscape. It deals with the visual, organizational, environmental, and technical elements of these aspects of urban planning. This guide identifies... more
Many measurement instruments have technical specifications and datasheets that say, for example, “Accuracy: 4 %”. This is an inappropriate use of the term “accuracy” because an “accuracy” is not a quantity and cannot be assigned a value. This document describes how to use the term “accuracy”... more
  This document was prepared by the International Commission on Illumination (CIE) in cooperation with Technical Committee ISO/TC 274, Light and lighting. This first edition of ISO/CIE 11664-1 cancels and replaces ISO 11664-1:2007 | CIE S 014-1:2006, of which it constitutes a minor revision. The... more

Latest News and Events

New Partnership Agreement between the CIE and the ISO Signed In December 1986 the International...
Many of you interested in contributing to this symposium might be wondering, and have concern, about the...
All individual paper prepared and submitted for the conference of the 29th Session of the CIE,...
We are pleased to announce those who will serve the CIE as Officers of the Commission for the...