Visual strain during VDU work : the effect of viewing distance and dark focus

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<title>Visual strain during VDU work</title>
<subTitle>: the effect of viewing distance and dark focus</subTitle>
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<titleInfo type="alternative">
<title>Ergonomics</title>
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<name type="personal" usage="primary" xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="MAPA20080360726">
<namePart>Jaschinski-Kruza, Wolfgang</namePart>
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<dateIssued encoding="marc">1988</dateIssued>
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<abstract displayLabel="Summary">Some standards for work at visual display units (VDU) recommended viewing distances about 50 cm. The present study investigated whether or not visual strain is lower at viewing distances greater than 50 cm. Specifically, the question of whether the optimal viewing distance is determined by the individual's accommodation in a condition without fixational stimulus, the so-called dark focus, was studied</abstract>
<note type="statement of responsibility">Wolfgang Jaschinski-Kruza</note>
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<topic>Ergonomía</topic>
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<subject authority="lcshac" xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="MAPA20080631079">
<topic>Pantallas de visualización de datos</topic>
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<subject authority="lcshac" xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="MAPA20080605155">
<topic>Condiciones de trabajo</topic>
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<topic>Posiciones de trabajo</topic>
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<subject authority="lcshac" xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="MAPA20080558833">
<topic>Iluminación</topic>
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<subject authority="lcshac" xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="MAPA20080563585">
<topic>Oftalmología</topic>
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<title>Ergonomics</title>
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<publisher>London [etc.]</publisher>
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<text>Vol. 31, nº 10, October 1988 ; p. 1449-1465</text>
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