Color Functionality Used in Visual Display for Occupational and Environmental Safety and Managing Color Vision Deficiency

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  • OCHIAI Nobuhisa
    Department of Ophthalmology, School of Medicine, University of Occupational and Environmental Health, Japan
  • KONDO Hiroyuki
    Department of Ophthalmology, School of Medicine, University of Occupational and Environmental Health, Japan

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Other Title
  • 産業・環境安全のための視覚表示に用いる色彩の機能性と色覚異常への対応
  • サンギョウ ・ カンキョウ アンゼン ノ タメ ノ シカク ヒョウジ ニ モチイル シキサイ ノ キノウセイ ト シキカク イジョウ エ ノ タイオウ

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Abstract

<p>The effects of color perception are utilized in visual displays for the purpose of safety in the workplace and in daily life. These effects, generally known as color functionality, are divided into four classifications: visibility, legibility, conspicuity and discriminability. This article focuses on the relationship between the color functionality of color schemes used in visual displays for occupational and environmental safety and color vision deficiency (particularly congenital red-green color deficiency), a critical issue in ophthalmology, and examines the effects of color functionality on the perception of the color red in individuals with protan defects. Due to abrupt system reforms, current Japanese clinical ophthalmology finds itself in a situation where it is insufficiently prepared to handle congenital red-green color deficiencies. Indeed, occupational problems caused by color vision deficiencies have been almost completely neglected, and are an occupational safety and health concern that will need to be solved in the future. This report will present the guidelines for the color vision testing established by the British Health and Safety Executive (HSE), a pioneering example of a model meant to solve these problems. Issues relating to the creation of guidelines adapted to Japanese clinical ophthalmology will also be examined, and we will discuss ways to utilize color functionality used in visual displays for occupational and environmental safety to help manage color vision deficiency.</p>

Journal

  • Journal of UOEH

    Journal of UOEH 39 (1), 35-45, 2017

    The University of Occupational and Environmental Health, Japan

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