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A risk assessment method for visual ergonomics, VERAM
Ergonomi och aerosolteknologi, Lunds universitet, Lund, Sweden.
Högskolan i Gävle, Akademin för hälsa och arbetsliv, Avdelningen för arbets- och folkhälsovetenskap, Arbetshälsovetenskap. Högskolan i Gävle, Centrum för belastningsskadeforskning.ORCID-id: 0000-0002-2919-3921
Högskolan i Gävle, Akademin för hälsa och arbetsliv, Avdelningen för arbets- och folkhälsovetenskap, Arbetshälsovetenskap. Högskolan i Gävle, Centrum för belastningsskadeforskning.
Högskolan i Gävle, Akademin för hälsa och arbetsliv, Avdelningen för arbets- och folkhälsovetenskap, Arbetshälsovetenskap. Högskolan i Gävle, Centrum för belastningsskadeforskning.ORCID-id: 0000-0002-5055-0698
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2017 (Engelska)Konferensbidrag, Enbart muntlig presentation (Refereegranskat)
Abstract [en]

A valid, reliable, practical and easy-to-use risk assessment method for visual ergonomics named VERAM (Visual Ergonomics Risk Analysis Method) has been developed. With this method, risk factors in the visual environment can be detected, and interventions implemented to reduce the prevalence of symptoms related to poor visual ergonomics among workers can be evaluated.

The visual environment can affect our wellbeing in many ways. Glare from luminaires or windows within the visual field can cause disability glare or discomfort glare. Glare while performing computer tasks causes visual fatigue and leads to strabismus measured with fixation disparity (harder for the eyes to focus). Strabismus leads to eyestrain, and eyestrain can lead to musculoskeletal discomfort.  Non-visual effects, such as flicker from luminaires can cause eyestrain or headache/migraine. Insufficient visual ability can lead to increased workload and contribute to eyestrain and musculoskeletal discomfort that in turn could lead to sick leave. As human beings, we need daylight to get a normal circadian rhythm. The visual environment needs to be designed to allow daylight entering, but have a possibility to prevent disturbing daylight.

No method for evaluating the visual environment together with the individual’s subjective strain has previously existed. Personnel from occupational health departments (75 individuals) have used the developed visual ergonomics risk analysis method at several work places. Before using the method they were given a course in visual ergonomics and taught how to use the method.

VERAM consists of two main parts. The first part is a subjective questionnaire with questions regarding the individual’s problem such as eyestrain and headache, but also their rating of the visual environment.

The second objective part is performed by the assessors and consists of:

  • measuring the illuminance and luminance
  • rating of the visual environment and different risks (risk for glare, flicker, work task, daylight, work posture etc.)
  • Feedback from the subjective part, the light measurements and the ratings
  • Recommendations

To increase wellbeing at work and reduce sick leave, the visual environment needs to be good. This includes sufficient illuminance, a good luminance ratio, no glare from luminaires or windows, no flicker, and a good visibility of the work task. Education in risk analysis of the visual environment is essential for many different occupations such as lighting designers, ergonomists, working life inspectors, optometrists, to ensure a better understanding of the impact on wellbeing that the visual environment have. The main purposes of this study is to develop a visual environment risk analysis method and to increase the awareness and knowledge visual ergonomics.

Ort, förlag, år, upplaga, sidor
2017.
Nationell ämneskategori
Arbetsmedicin och miljömedicin
Identifikatorer
URN: urn:nbn:se:hig:diva-24782OAI: oai:DiVA.org:hig-24782DiVA, id: diva2:1129338
Konferens
Arbetslivskonferens 2017, 'Arbetslivets utmaningar i staden och på landsbygden', FALF, 13-15 juni 2017, Alnarp
Forskningsfinansiär
AFA FörsäkringTillgänglig från: 2017-08-02 Skapad: 2017-08-02 Senast uppdaterad: 2018-03-13Bibliografiskt granskad

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Zetterberg, CamillaLindberg, PerHeiden, Marina

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ArbetshälsovetenskapCentrum för belastningsskadeforskning
Arbetsmedicin och miljömedicin

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