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Does pedestrian useful visual field change at night?

Davoodian, N; Raynham, PJ; (2017) Does pedestrian useful visual field change at night? In: Proceedings of the Lux Europa 2017. (pp. pp. 239-244). Lighting Engineering Society of Slovenia: Ljubljana, Slovenia. Green open access

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Abstract

This paper reports an investigation into the shape and size of the useful visual field over which pedestrian visual gaze tends to fall during day and night and discusses the factors affecting useful visual field and the function of peripheral vision. A previous study by authors explored what people look at at night in the streets employing an eye tracking methodology. This study is secondary analysis of the data captured by the previous study. The study shows that street lighting affects and reduces useful visual field of pedestrians and provides guidelines to more effective distribution of light at night based on the optimum pedestrian useful field of view. Our finding emphasises the importance of illuminance on vertical surfaces and hence the for it to be considered when designing light for our streets.

Type: Proceedings paper
Title: Does pedestrian useful visual field change at night?
Event: Lux Europa 2017 - European Lighting Conference - Lighting for Modern Society
Location: Ljubljana, Slovenia
Dates: 18 September 2017 - 20 September 2017
ISBN-13: 9789619373347
Open access status: An open access version is available from UCL Discovery
Publisher version: http://www.sdr.si/pdf/le2017_proceedings.pdf
Language: English
Additional information: This version is the author accepted manuscript. For information on re-use, please refer to the publisher’s terms and conditions.
Keywords: Pedestrian Lighting, Eye-tracking, Useful visual field, Road lighting
UCL classification: UCL
UCL > Provost and Vice Provost Offices
UCL > Provost and Vice Provost Offices > UCL BEAMS
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of the Built Environment
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of the Built Environment > Bartlett School Env, Energy and Resources
URI: https://discovery.ucl.ac.uk/id/eprint/10027690
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