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  1. Visual function in professional truck drivers.

    Article - En anglais

    Objectives 

    The purpose of this study was to examine the visual function of professional truck drivers at working age to find out whether older drivers had any defective function and should therefore be given less demanding duties at work.

    Methods 

    Of the 100 drivers invited to the study, 77 came to the examination, including 74 men and 3 women aged from 30 to 66 years (mean 50.3 ± 10.3 years).

    In addition to the basic eye examination, visual fields, dark adaptation, contrast sensitivity, color vision, and glare sensitivity were studied.

    Results 

    Two drivers (2.6%) had an incipient cataract in one eye, four (5.2%) had slight fundus abnormalities, five (6.5%) had exo-or esotropia, and five (6.5%) had amblyopia.

    Visual acuity in the better eye varied from 0.4 to 1.2 (mean 1.06 ± 0.17) and in the other eye from 0.1 to 1.2 (mean 0.96 ± 0.23).

    Five drivers (6.5%) had inadequate visual acuity for a professional driver's license.

    Visual fields were interpreted as normal in all drivers.

    The results of the dark-adaptation, contrast-sensitivity, and glare testing showed values within normal ranges for all drivers.

    In the color-vision tests, five male drivers (6.8% of the men) had a slight congenital green defect, and two drivers had an acquired blue defect in one eye because of cataract and diabetes.

    Conclusions 

    According to the present study, there is no need to give older drivers less demanding duties because of their eyes. (...)

    Mots-clés Pascal : Conducteur véhicule, Camion, Exposition professionnelle, Médecine travail, Homme, Vision, Japon, Asie, Seuil contraste, Obscurité, Eblouissement, Perception visuelle, Adaptation perceptive, Vision couleur, Acuité visuelle

    Mots-clés Pascal anglais : Vehicle driver, Lorry, Occupational exposure, Occupational medicine, Human, Vision, Japan, Asia, Contrast threshold, Obscurity, Glare, Visual perception, Perceptual adaptation, Color vision, Visual acuity

    Logo du centre Notice produite par :
    Inist-CNRS - Institut de l'Information Scientifique et Technique

    Cote : 98-0437517

    Code Inist : 002B30B04. Création : 25/01/1999.