Since its inception in 1913, the CIE has become a professional organization and has been accepted as representing the best authority on the subject and as such is recognized by ISO as an international standardization body.
Advancing knowledge and providing standardization
With strong technical, scientific and cultural foundations, the CIE is an independent, non-profit organization that serves member countries on a voluntary basis.
In October 2022 CIE held a 1-day symposium on the advances in the measurement of temporal light modulation.
Temporal light modulation (TLM) causes visual perception effects such as flicker, phantom array and stroboscopic effects. All of these issues can have adverse effects on users of lighting... more
This Technical Report is prepared by ISO/TC 274, Light and lighting in cooperation with the International Commission on Illumination (CIE).The content of this document represents the state of the art at the date of publication and it is not necessarily complete.At present ipRGC-influenced responses... more
This document was revised by the International Commission on Illumination (CIE) and is now published in cooperation with Technical Committee ISO/TC 274, Light and lighting, in collaboration with the European Committee for Standardization (CEN) Technical Committee CEN/TC 139, Paints and varnishes,... more
This document was revised by the International Commission on Illumination (CIE) and is now published in cooperation with Technical Committee ISO/TC 274, Light and lighting, in collaboration with the European Committee for Standardization (CEN) Technical Committee CEN/TC 139, Paints and varnishes,... more