NF EN ISO 24502

NF EN ISO 24502

February 2011
Standard Current

Ergonomics - Accessible design - Specification of age-related luminance contrast for coloured light

ISO 24502:2010 specifies the age-related luminance contrast of any two lights of different colour seen by a person at any age, by taking into account the age-related change of spectral luminous efficiency of the eye. ISO 24502:2010 provides a basic method of calculation that can be applied to the design of lighting, visual signs and displays. It applies to light, self-luminous or reflected, in visual signs and displays seen under moderately bright conditions called photopic vision and whose spectral radiance is known or measurable. It does not apply to light seen under darker conditions called mesopic or scotopic vision. ISO 24502:2010 specifies the luminance contrast for people aged from 10 to 79 years who have had no medical treatment or surgery on their eyes that may affect their spectral luminous efficiency. ISO 24502:2010 does not apply to visual signs and displays seen by people with colour defects whose spectral luminous efficiency is different from those with normal colour vision, nor those seen by people with low vision.

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Main informations

Collections

National standards and national normative documents

Thematics

Sécurité, Silver économie, Gestion des risques et SST, Accessibilité, QSE

Publication date

February 2011

Number of pages

18 p.

Reference

NF EN ISO 24502

ICS Codes

11.180.30   Aids for blind or partially sighted people
13.180   Ergonomics

Classification index

X35-403

Print number

1 - 31/01/2011

International kinship

ISO 24502:2010

European kinship

EN ISO 24502:2010
Sumary
Ergonomics - Accessible design - Specification of age-related luminance contrast for coloured light

ISO 24502:2010 specifies the age-related luminance contrast of any two lights of different colour seen by a person at any age, by taking into account the age-related change of spectral luminous efficiency of the eye.

ISO 24502:2010 provides a basic method of calculation that can be applied to the design of lighting, visual signs and displays. It applies to light, self-luminous or reflected, in visual signs and displays seen under moderately bright conditions called photopic vision and whose spectral radiance is known or measurable. It does not apply to light seen under darker conditions called mesopic or scotopic vision.

ISO 24502:2010 specifies the luminance contrast for people aged from 10 to 79 years who have had no medical treatment or surgery on their eyes that may affect their spectral luminous efficiency.

ISO 24502:2010 does not apply to visual signs and displays seen by people with colour defects whose spectral luminous efficiency is different from those with normal colour vision, nor those seen by people with low vision.

Table of contents
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  • Avant-propos
    iv
  • Introduction
    v
  • 1 Domaine d'application
    1
  • 2 Références normatives
    1
  • 3 Termes et définitions
    2
  • 4 Contraste de luminance lié à l'âge
    3
  • 5 Utilisation du contraste de luminance lié à l'âge
    6
  • Annexe A (informative) Exemple de calcul et d'application du contraste de luminance lié à l'âge
    7
  • Bibliographie
    10
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