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Ergonomics. 1996 Jun;39(6):877-84.

Analysis of ocular surface area for comfortable VDT workstation layout.

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1
National Institute of Industrial Health, Kawasaki, Japan.

Abstract

This paper proposes a comfortable visual display terminal (VDT) workstation layout based on an analysis of ocular surface area (OSA). A large OSA induces eye irritation and eye fatigue because the eye surface is highly sensitive to various stimuli. The authors considered that OSA must be one of the useful indices of visual ergonomics and applied it to evaluate VDT workstation layout. Each subject was asked to perform a word processing task using four different VDT workstation layouts. It was found that the main factor affecting OSA was not cathode ray tube (CRT) height itself but the distance between the CRT and keyboard. Thus the following workstation layout is recommended to realize comfortable VDT operation: (1) the desk height should be adjusted to the user's height; and (2) the CRT display should be set closer to the keyboard to provide a smaller OSA.

PMID:
8681929
DOI:
10.1080/00140139608964508
[Indexed for MEDLINE]
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