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A pilot study of lighting and low vision in older people
Author(s)Bruce Evans, Hannah Sawyerr, Zahra Jessa
Corporate AuthorThomas Pocklington Trust; Institute of Optometry
PublisherThomas Pocklington Trust, London, 2010
Pages6 pp (Research findings, no 31)
SourceThomas Pocklington Trust, Pier House, 90 Strand on the Green, London W4 3NN. www.pocklington-trust.org.uk
KeywordsVisual impairment ; Lighting systems ; Pilot ; Research Reviews.
AnnotationVisual impairment is common in older people and major causes include cataract and age-related macular degeneration (AMD). Previous research suggests that people with AMD benefit from increased light levels but this may not be the case with cataract, which causes light scatter inside the eye. This publication summarises findings from research commissioned and funded by Thomas Pocklington Trust and carried out at the Institute of Optometry. The research investigated the influence of lighting on performance of activities of daily living in 24 older people with low vision caused by cataract and/or macular degeneration. The research found that subjects tended to perform better under brighter conditions, but the average results masked large individual variations. It was demonstrated that lighting had a big effect on most participants' performance in at least one task, but the optimal lighting level varied uniquely from one subject to another. The report concludes that the best approach to providing optimal lighting for older people with low vision might be to assess their preference and performance individually at different lighting levels. (RH).
Accession NumberCPA-121001004 P
ClassmarkBR: YG: 4UC: 3A:6KC *

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