Induced pupillary hippus following near vision : increased occurrence in visual display unit workers

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<title>Induced pupillary hippus following near vision</title>
<subTitle>: increased occurrence in visual display unit workers</subTitle>
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<name type="personal" usage="primary" xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="MAPA20080118303">
<namePart>Ukai, Kazuhiko</namePart>
<nameIdentifier>MAPA20080118303</nameIdentifier>
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<name type="personal" xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="MAPA20080234614">
<namePart>Tsuchiya, Kunihiko</namePart>
<nameIdentifier>MAPA20080234614</nameIdentifier>
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<name type="personal" xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="MAPA20080195335">
<namePart>Ishikawa, Satoshi</namePart>
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<dateIssued encoding="marc">1997</dateIssued>
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<abstract>Tsuchiya et al. (1989) reported the use of a quasistatic method for examining changes in pupil accommodation following near vision. A certain number of normal subjects were found to show long-lasting pupil constriction followin the short but strong near vision. This pupil after-effect lasted in some cases for more than 15 min. Interindividual differences in this after-effect were large. The pupil after-effect was sometimes dissociated from the adaptation of tinic accommodation. This paper aims to report on a phenomenon revealed by further investigation using this method. This is that in a proportion of subjects, including a significantly large number of VDU (Visual Display Unit) workers, large and slow pupillary oscillation, so-called "hippus", was found to be evoked easily following near vision</abstract>
<note type="statement of responsibility">Kazuhiko Ukai, Kunihiko Tsuchiya and Satoshi Ishikawa</note>
<subject authority="lcshac" xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="MAPA20080550653">
<topic>Ergonomía</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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<subject authority="lcshac" xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="MAPA20080631079">
<topic>Pantallas de visualización de datos</topic>
</subject>
<subject authority="lcshac" xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="MAPA20080577520">
<topic>Pruebas visuales</topic>
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<subject authority="lcshac" xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="MAPA20080540999">
<topic>Fatiga</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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<title>Ergonomics</title>
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<publisher>London [etc.]</publisher>
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<part>
<text>Vol. 40, nº 11, November 1997 ; p. 1201-1211</text>
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