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Evaluation of a clinical glare test based on estimation of intraocular light scatter.
KTH, School of Information and Communication Technology (ICT), Centres, Center for Wireless Systems, Wireless@kth. KTH, School of Information and Communication Technology (ICT), Communication Systems, CoS. (Radio Systems Lab)ORCID iD: 0000-0002-3015-4495
1991 (English)In: Optometry and Vision Science, ISSN 1040-5488, E-ISSN 1538-9235, Vol. 68, no 11, 881-7 p.Article in journal (Refereed) Published
Abstract [en]

A glare test based on psychophysical estimation of intraocular light scatter and using a flickering, annular glare source was evaluated. The parameters determining the accuracy of the test were studied. In particular the influence of background light and flicker frequency were investigated and optimum values for best accuracy were found. Based on these findings a versatile and simple apparatus was constructed. Forty patients with various degrees of cataract were investigated in a clinical study. Patients, who subjectively experience severe glare problems, indeed show high glare values as measured with the apparatus. No obvious relation between visual acuity and glare score was found. In comparison with glare tests using a stationary glare source the use of a flickering glare source is advantageous in terms of sensitivity and accuracy.

Place, publisher, year, edition, pages
1991. Vol. 68, no 11, 881-7 p.
National Category
Engineering and Technology
Identifiers
URN: urn:nbn:se:kth:diva-220558PubMedID: 1766651OAI: oai:DiVA.org:kth-220558DiVA: diva2:1173574
Note

QCR 20180115

Available from: 2018-01-12 Created: 2018-01-12 Last updated: 2018-01-15Bibliographically approved

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