Title
Association of lens opacities, intraocular straylight, contrast sensitivity and visual acuity in European drivers Association of lens opacities, intraocular straylight, contrast sensitivity and visual acuity in European drivers
Author
Faculty/Department
University Hospital Antwerp
Publication type
article
Publication
Subject
Human medicine
Source (journal)
Acta ophthalmologica (Oxford). - -
Volume/pages
87(2009) :6 , p. 666-671
ISSN
1755-375X
ISI
000269350500013
Carrier
E
Target language
English (eng)
Full text (Publishers DOI)
Affiliation
University of Antwerp
Abstract
Purpose: To study the relationship between lens opacity and intraocular straylight, visual acuity and contrast sensitivity. Methods: We investigated 2422 drivers in five clinics in different European Union (EU) member states aged between 20 and 89 years as part of a European study into the prevalence of visual function disorders in drivers. We measured visual acuity [Early Treatment Diabetic Retinopathy Study (ETDRS) chart], contrast sensitivity (Pelli-Robson chart) and intraocular straylight (computerized straylight meter). Lens opacities were graded with the Lens Opacities Classification System III (LOCS) without pupillary dilation. Participants answered the National Eye Institute Visual Functioning Questionnaire - 25. Results: Intraocular straylight was related more strongly to LOCS score than to both visual acuity and contrast sensitivity. Visual acuity and contrast sensitivity were correlated to each other well, but to intraocular straylight to a much lesser extent. Self-reported visual quality was best related to contrast sensitivity; night driving difficulty was best related to visual acuity. Conclusion: Straylight is found to have added value for visual function assessment in drivers, whereas if visual acuity is known contrast sensitivity has limited added value.
Full text (open access)
https://repository.uantwerpen.be/docman/irua/45c0bc/1200.pdf
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