Document Detail

The sources of light and lighting at work.
MedLine Citation:
PMID:  6328856     Owner:  NLM     Status:  MEDLINE    
Succeeding in lighting industrial, office and other work environments is dependent on many factors. Good result is not guaranteed if only one of these factors is taken into account. It is essential to choose appropriate light sources and use them correctly for different tasks. Although the amount of light and its composition is considered satisfactory for a certain task, glare and reflected glare still cause inconvenience in the work places making the performance of visual tasks difficult. The lux and luminance levels of the work areas regulate the size of the observer's pupils. The size of the pupil determines for its part how easily and quickly eyes can be accommodated for a sight distance. The indirect disadvantages caused by poor visual conditions are often significant. For example at display work reflected glare does not only slow down reading. The effort to avoid the reflections from the screen by changing the direction of observation effects the working positions. Inconvenient posture may cause pains in the neck and back. In lighting design the problems of age vision are taken into account. We should also bear in mind the significance of the colour of light when considering these problems.
E Lampi
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Acta ophthalmologica. Supplementum     Volume:  161     ISSN:  0065-1451     ISO Abbreviation:  Acta Ophthalmol. Suppl.     Publication Date:  1984  
Date Detail:
Created Date:  1984-07-09     Completed Date:  1984-07-09     Revised Date:  2008-11-21    
Medline Journal Info:
Nlm Unique ID:  0370350     Medline TA:  Acta Ophthalmol Suppl     Country:  DENMARK    
Other Details:
Languages:  eng     Pagination:  66-83     Citation Subset:  IM    
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MeSH Terms
Accident Prevention
Accommodation, Ocular
Light* / adverse effects
Lighting / standards*
Vision, Ocular*

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