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Contrast sensitivity and retinal straylight after alcohol consumption: effects on driving performance.


ABSTRACT: In this study, we aimed to investigate the effects of alcohol intake on visual function and driving performance, as well as on the relationship between these. A total of 40 healthy participants took part in three experimental sessions: one baseline session and two further sessions after consuming two different quantities of alcohol (300 ml and 450 ml of red wine). The breath alcohol content (BrAC) was measured using a breath analyzer. The contrast sensitivity and retinal straylight due to the forward intraocular scattering were measured to characterize visual function, and driving performance was assessed in three different scenarios using a driving simulator. The results showed a deterioration in contrast sensitivity and retinal straylight after drinking alcohol, in addition to an impaired ability to drive, especially for the highest alcohol intake. We also observed that the deteriorated driving performance was a function of the contrast sensitivity and retinal straylight under the effects of alcohol, indicating that these visual variables can partially predict driving performance in these conditions.

SUBMITTER: Casares-Lopez M 

PROVIDER: S-EPMC7423611 | biostudies-literature | 2020 Aug

REPOSITORIES: biostudies-literature

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Contrast sensitivity and retinal straylight after alcohol consumption: effects on driving performance.

Casares-López Miriam M   Castro-Torres José J JJ   Martino Francesco F   Ortiz-Peregrina Sonia S   Ortiz Carolina C   Anera Rosario G RG  

Scientific reports 20200812 1


In this study, we aimed to investigate the effects of alcohol intake on visual function and driving performance, as well as on the relationship between these. A total of 40 healthy participants took part in three experimental sessions: one baseline session and two further sessions after consuming two different quantities of alcohol (300 ml and 450 ml of red wine). The breath alcohol content (BrAC) was measured using a breath analyzer. The contrast sensitivity and retinal straylight due to the fo  ...[more]

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