Draft International Standards

ISO/CIE DIS 15469:2024(en) Spatial distribution of daylight — CIE standard general sky
ISO/CIE DIS 28077(E):2024 Photocarcinogenesis action spectrum (non-melanoma skin cancers)
CIE DIS 017-SP2:2023 ILV: International Lighting Vocabulary –Supplement 2: Terms and Definitions for Horticultural Lighting
ISO/CIE 11664-5:2023 Colorimetry — Part 5: CIE 1976 Luv* colour space and u’, v’ uniform chromaticity scale diagram
ISO/CIE DIS 23603.2(E):2023 Standard method of assessing the spectral quality of daylight simulators for visual appraisal and measurement of colour
ISO/CIE DIS 8995-1:2023 Light and lighting — Lighting of work places —Part 1: Indoor
ISO/CIE DIS 23539:2021 Photometry – The CIE system of physical photometry
CIE DIS 027:2021 Photometry of road illumination devices, light signalling devices and retroreflective devices for road vehicles.

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CIE Project: "Understanding Science - Understanding Light"

The 31st Quadrennial Session of the CIE, Nanjing, China

Hosting organizations:

CIE NC Türkiye: 14th ATMK National Lighting Congress 2025

London Imaging Meeting: Lighting and Imaging

CIE experts Sophie Jost (ENTPE, CIE Division 1: Vision and Colour) and Jon Y.

CIE NC China: 13th International Forum of Automotive Lighting (IFAL2025)

CIE 255:2025 The Functional Visual Field

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The visual field of human vision has been studied for a long time and many scientific papers have been published on this topic. Technical Report CIE 255:2025 reviews a number of studies on the human… more

ISO/CIE 8995-1:2025(en) Light and lighting — Lighting of work places — Part 1: Indoor

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This International Standard was prepared by Technical Committee ISO/TC 274, Light and lighting, in collaboration with the International Commission on Illumination (CIE).

This first… more

CIE PS 002:2025 CIE Position Statement on Colour Quality Metrics, 2nd Edition

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Characterizing white light sources for their colour rendering capabilities began in the 1960s, but both light sources and colour science have advanced considerably since then.

… more

ISO/CIE 10916:2024 Light and lighting — Energy performance of lighting in buildings — Calculation of the impact of daylight utilization

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This International Standard was prepared by Technical Committee ISO/TC 274, Light and lighting, in collaboration with the International Commission on Illumination (CIE).

This first edition of… more