Adjustments of posture and viewing parameters of the eye to changes in the screen height of the visual display terminal
To understand the motions caused by the interaction among the different body parts, adjustments of both eye position and body posture to screen height settings of 80, 90, 100, 110 and 120cm were determined in 10 subjects. The subjects engaged in a non-keyboard, interactive computer game requiring co...
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| Veröffentlicht in: | Ergonomics 1996-07, Vol.39 (7), p.933-945 |
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| creator | VILLANUEVA, MARIA BEATRIZ G. SOTOYAMA, MIDORI JONAI, HIROSHI TAKEUCHI, YASUHIRO SAITO, SUSUMU |
| description | To understand the motions caused by the interaction among the different body parts, adjustments of both eye position and body posture to screen height settings of 80, 90, 100, 110 and 120cm were determined in 10 subjects. The subjects engaged in a non-keyboard, interactive computer game requiring constant visual monitoring. Changes in body positions were determined by video image analysis for the posture parameters and by video frame analysis for the eye parameters. Analysis of variance and correlation analysis showed that neck angle, thoracic bending and vertical eye position were significantly affected by changes in the screen height of the VDT. The study of the interrelationship of eye position and body posture suggested that changes in body positions served to complement the eye position in attaining a better view of the visual target. Viewing angle was observed to be decided mainly by inclination of the neck and the eye. Thoracic bending was also noted to contribute in setting the viewing angle, although to a lesser extent. On the other hand, viewing distance and trunk inclination showed significant correlation. |
| doi_str_mv | 10.1080/00140139608964515 |
| format | Article |
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Work place. Occupational physiology</topic><topic>Eye position</topic><topic>Eyes & eyesight</topic><topic>Female</topic><topic>Fixation, Ocular - physiology</topic><topic>Human physiology applied to population studies and life conditions. 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Academic</collection><jtitle>Ergonomics</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>VILLANUEVA, MARIA BEATRIZ G.</au><au>SOTOYAMA, MIDORI</au><au>JONAI, HIROSHI</au><au>TAKEUCHI, YASUHIRO</au><au>SAITO, SUSUMU</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Adjustments of posture and viewing parameters of the eye to changes in the screen height of the visual display terminal</atitle><jtitle>Ergonomics</jtitle><addtitle>Ergonomics</addtitle><date>1996-07-01</date><risdate>1996</risdate><volume>39</volume><issue>7</issue><spage>933</spage><epage>945</epage><pages>933-945</pages><issn>0014-0139</issn><eissn>1366-5847</eissn><coden>ERGOAX</coden><abstract>To understand the motions caused by the interaction among the different body parts, adjustments of both eye position and body posture to screen height settings of 80, 90, 100, 110 and 120cm were determined in 10 subjects. The subjects engaged in a non-keyboard, interactive computer game requiring constant visual monitoring. Changes in body positions were determined by video image analysis for the posture parameters and by video frame analysis for the eye parameters. Analysis of variance and correlation analysis showed that neck angle, thoracic bending and vertical eye position were significantly affected by changes in the screen height of the VDT. The study of the interrelationship of eye position and body posture suggested that changes in body positions served to complement the eye position in attaining a better view of the visual target. Viewing angle was observed to be decided mainly by inclination of the neck and the eye. Thoracic bending was also noted to contribute in setting the viewing angle, although to a lesser extent. On the other hand, viewing distance and trunk inclination showed significant correlation.</abstract><cop>London</cop><cop>Washington, DC</cop><pub>Taylor & Francis Group</pub><pmid>8690010</pmid><doi>10.1080/00140139608964515</doi><tpages>13</tpages></addata></record> |
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| ispartof | Ergonomics, 1996-07, Vol.39 (7), p.933-945 |
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| source | MEDLINE; Periodicals Index Online; Taylor & Francis Journals Complete |
| subjects | Adult Applied physiology Biological and medical sciences Body Height - physiology Computer Terminals Ergometry Ergonomics Ergonomics. Work place. Occupational physiology Eye position Eyes & eyesight Female Fixation, Ocular - physiology Human physiology applied to population studies and life conditions. Human ecophysiology Humans Male Medical sciences Middle Aged Ocular surface area (OSA) Posture Posture - physiology Screen height Space life sciences Spine - physiology VDTs Video display terminals Visual display terminal (VDT) |
| title | Adjustments of posture and viewing parameters of the eye to changes in the screen height of the visual display terminal |
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