Aged Drivers May Experience Decreased Visual Function While Driving
Kaido, M., Matsutani, T., Negishi, K., Dogru, M. and Tsubota, K.
Publication: Asia-Pacific Journal of Ophthalmology
  • The purpose of this study was to investigate the conventional visual acuity (VA) and changes therein over time in older drivers.
  • This was a cross-sectional study of 124 randomly selected subjects.
  • There was correlation between age and visual acuity (P<0.05) for young drivers.
  • Visual acuity scores less than 0.7 was significantly higher in the older drivers than in the younger drivers.
  • The Trail Making Test B scores were significantly higher in the older group than in the younger and middle-aged groups.
  • The study shows that older drivers might experience decreased VA and increased frequency of VA loss while driving.

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