The ocular stress monitor: a new device for measuring discomfort glare-Reference-Cited by-同舟云学术

The ocular stress monitor: a new device for measuring discomfort glare

Published:2002-09 Issue:3 Volume:34 Page:231-239
ISSN:1477-1535
Container-title:Lighting Research & Technology
language:en
Short-container-title:Lighting Research & Technology

Author:

Murray IJ¹,Plainis S²,Carden D²

Affiliation:

1. Visual Sciences Laboratory, Department of Optometry and Neuroscience, UMIST, Manchester, UK,

2. Visual Sciences Laboratory, Department of Optometry and Neuroscience, UMIST, Manchester, UK

Abstract

Discomfort glare is always accompanied by a strong contraction or spasm in the muscles surrounding the eye. A portable device for measuring the electrical activity generated by this muscle spasm is described. The device samples the signal from electrodes placed around the eye. It is composed of a narrow-band amplifier/transmitter, a receiver/frequency converter and a tone generator. The signal amplitude is proportional to the vertical illuminance at the eye and can therefore be used as an objective index of the discomfort induced. The results compare favourably with subjective assessment.

Publisher

SAGE Publications

Subject

Electrical and Electronic Engineering

Link

http://journals.sagepub.com/doi/pdf/10.1191/1365782802lt046oa

Reference19 articles.

1. Discomfort glare indices: a comparative study

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