Summary
Four groups of office tasks were studied: Data entry terminals, conversational terminals, traditional office work and typing. Eye impairments are observed in every group of office employees, but the impairments are more frequent in VDU operators. The impairments persist during leisure time. High luminance contrasts between screen and source document are associated with an increase of eye troubles. Increased oscillating luminance of characters is associated with lower visual acuity, with a higher incidence of subjective and objective symptoms of eye irritation including more frequent use of eye drops.
Résumé
Des études ont été faites dans 4 groupes de bureaux: Data entry terminals, terminaux conversationels, travail de bureau traditionnel, dactylographie. Des troubles oculaires ont été observés chez des employées de chaque type de bureau, mais les troubles sont beaucoup plus fréquents chez les personnes travaillant sur VDU. Les dérangements persistent pendant le temps de loisir. De forts contrastes de luminance entre les écrans et les documents peuvent augmenter les troubles de la vue. Une oscillation lumineuse accrue des caractères diminue l'acuité visuelle, augmente les symptomes subjectives et objectives d'une irritation des yeux et l'usage de gouttes pour les yeux.
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Literatur
GRANDJEAN, E.: Physiologische Arbeitsgestaltung, Ott Verlag Thun, 1979.
HUNTING, W., LAUBLI, Th. and GRANDJEAN, E.: Constrained postures of VDU operators. To be published in “Ergonomic aspects of visual display units”, Taylor and Francis, London, 1980.
LAUBLI, Th., HUNTING, W. and GRANDJEAN, E.: Visual impairments related to environmental conditions in VDU operators. To be published in “Ergonomic aspects of visual display units”, Taylor and Francis, London, 1980.
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Die weit über den empfohlenen Werten liegenden Flächenkontraste im Gesichtsfeld scheinen langandauernde Augenermüdungen zu verursachen.
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Läubli, T., Hünting, W. & Grandjean, E. Augenbelastung an Bildschirmarbeitsplätzen. Soz Prāventivmed 25, 205–206 (1980). https://doi.org/10.1007/BF02076997
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DOI: https://doi.org/10.1007/BF02076997