Field observations of display placement requirements and character size for presbyopic and prepresbyopic computer users.
BACKGROUND: Computer users continue to report eye and upper body discomfort even as workstation flexibility has improved. Research shows a relationship between character size, viewing distance, and reading performance. Few reports exist regarding text height viewed under normal office work condition...
| Publicado en: | Work Vol. 52; no. 2; pp. 329 - 343 |
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| Autores principales: | , , , |
| Formato: | pictorial research tables/charts Journal Article |
| Publicado: |
Sage Publications Inc.
2015
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| Acceso en línea: | Ver este registro en EBSCOhost |
| fields | @attributes: recordID: 1 pdfLink: plink: https://search.ebscohost.com/login.aspx?direct=true&db=ccm&AN=110682347&site=ehost-live header: @attributes: shortDbName: ccm uiTerm: 110682347 longDbName: CINAHL Complete uiTag: AN controlInfo: bkinfo: dissinfo: jinfo: jid: 10519815 3RC jtl: Work issn: 10519815 maglogo: N pubinfo: dt: 2015 vid: 52 iid: 2 pid: 344 pub: Sage Publications Inc. place: Thousand Oaks, California artinfo: ui: 110682347 110682347 110682347 10.3233/WOR-152158 NLM26444933 110682347 ppf: 329 ppct: 14 formats: fmt: @attributes: type: P tig: atl: Field observations of display placement requirements and character size for presbyopic and prepresbyopic computer users. aug: au: Bartha, Michael C. Allie, Paul Kokot, Douglas Purvis Roe, Cynthia affil: Ergonomics R&D Program, Hewlett-Packard Company, Houston, TX, USA sug: subj: Data Display Presbyopia Comfort Ergonomics Human Eyeglasses Female Male Data Analysis Software Repeated Measures Analysis of Variance Adult Middle Age Aged Adult: 19-44 years Middle Aged: 45-64 years Aged: 65+ years Female Male ab: BACKGROUND: Computer users continue to report eye and upper body discomfort even as workstation flexibility has improved. Research shows a relationship between character size, viewing distance, and reading performance. Few reports exist regarding text height viewed under normal office work conditions and eye discomfort. OBJECTIVE: This paper reports self-selected computer display placement, text characteristics, and subjective comfort for older and younger computer workers under real-world conditions. METHODS: Computer workers were provided with monitors and adjustable display support(s). In Study 1, older worker swearing progressive-addition lenses (PALs) were observed. In study 2, older workers wearing multifocal lenses and younger workers were observed. RESULTS: Workers wearing PALs experienced less eye and body discomfort with adjustable displays, and less eye and neck discomfort for text visual angles near or greater than ergonomic recommendations. Older workers wearing multifocal correction positioned displays much lower than younger workers. In general, computer users did not adjust character size to ensure that fovial images of text fell within the recommended range. CONCLUSIONS: Ergonomic display placement recommendations should be different for computer users wearing multifocal correction for presbyopia. Ergonomic training should emphasize adjusting text size for user comfort. pubtype: Academic Journal doctype: pictorial research tables/charts Journal Article ougenre: Article language: English refInfo: holdings: @attributes: islocal: N |
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