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Impact of Age-Related Vision Changes on Driving
| Content Provider | MDPI |
|---|---|
| Author | Miriam, Casares-López Ortiz-Peregrina, Sonia Ortiz, Carolina Castro-Torres, José J. Barco, Luis Jiménez Del Anera, Rosario G. |
| Copyright Year | 2020 |
| Description | Aging leads to impaired visual function, which can affect driving—a very visually demanding task—and has a direct impact on an individual’s quality of life if their license is withdrawn. This study examined the associations between age-related vision changes and simulated driving performance. To this end, we attempted to determine the most significant visual parameters in terms of evaluating elderly drivers’ eyesight. Twenty-one younger drivers (aged 25–40) were compared to 21 older drivers (aged 56–71). Study participants were assessed for visual acuity, contrast sensitivity, halos, and intraocular straylight, which causes veiling luminance on the retina and degrades vision. Driving performance was evaluated using a driving simulator. The relationships between simulated driving performance and the visual parameters tested were examined with correlation analyses and linear regression models. Older drivers presented impairment in most visual parameters (p < 0.05), with straylight being the most significantly affected (we also measured the associated effect size). Older drivers performed significantly worse (p < 0.05) in the simulator test, with a markedly lower performance in lane stability. The results of the multiple linear regression model evidenced that intraocular straylight is the best visual parameter for predicting simulated driving performance (R2 = 0.513). Older drivers have shown significantly poorer results in several aspects of visual function, as well as difficulties in driving simulator performance. Our results suggest that the non-standardized straylight evaluation could be significant in driver assessments, especially at the onset of age-related vision changes. |
| Starting Page | 7416 |
| e-ISSN | 16604601 |
| DOI | 10.3390/ijerph17207416 |
| Journal | International Journal of Environmental Research and Public Health |
| Issue Number | 20 |
| Volume Number | 17 |
| Language | English |
| Publisher | MDPI |
| Publisher Date | 2020-10-12 |
| Access Restriction | Open |
| Subject Keyword | International Journal of Environmental Research and Public Health Transportation Science and Technology Aging Older Drivers Driving Performance Visual Function Straylight |
| Content Type | Text |
| Resource Type | Article |
