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Visual Disorders and Commercial Drivers.


PB92143015

Publication Date 1991
Personal Author Decina, L. E.; Breton, M. E.; Staplin, L.
Page Count 154
Abstract A review and critical evaluation of the most significant scientific research, which investigated the vision performance of passenger and commercial drivers, revealed no conclusive evidence to support definitive changes to the current standard. However, it was deemed important to include visual acuity and visual fields requirements for the standard. Based on the critical review of the literature, opinion surveys, and workshop results collected from panelists representing the vision industry field, the following recommendations were made: distant visual acuity of at least 20/40 in each eye without corrective lenses or visual acuity separately corrected to 20/40 or better with corrective lenses, distant binocular acuity of at least 20/40 in both eyes with or without corrective lenses, field of vision of at least 120 degrees in each eye measured separately in the horizontal meridian, and the ability to respond safely and effectively to colors of traffic signals and devices showing standard red, green, and amber. No test for color vision is required. The instructions to perform and record the visual examination were extensively revised. Identification of the type of equipment, the stimuli needed to conduct the testing, and instructions on how to perform the tests were added. The full description of the definition and testing procedures of the standard is provided in the body of the report. In addition, revisions were made to the list of visual disorders and impairments to be noted on the exam form.
Keywords
  • Professional drivers
  • Vision disorders
  • Driver vision standards
  • Visual perception
  • Color perception
  • Truck drivers
  • Highway safety
  • Visual acuity
  • Driver physical examinations
  • Driver eye tests
Source Agency
  • Federal Highway Administration
NTIS Subject Category
  • 85H - Road Transportation
  • 85D - Transportation Safety
Corporate Authors Bionetics Corp., Malvern, PA. KETRON Div.; Federal Highway Administration, Washington, DC. Office of Motor Carriers.
Supplemental Notes See also PB83-256552. Sponsored by Federal Highway Administration, Washington, DC. Office of Motor Carriers.
Document Type Technical Report
Title Note Final rept.
NTIS Issue Number 199210
Contract Number
  • DTFH61-90-C-00093
Visual Disorders and Commercial Drivers.
Visual Disorders and Commercial Drivers.
PB92143015

  • Professional drivers
  • Vision disorders
  • Driver vision standards
  • Visual perception
  • Color perception
  • Truck drivers
  • Highway safety
  • Visual acuity
  • Driver physical examinations
  • Driver eye tests
  • Federal Highway Administration
  • 85H - Road Transportation
  • 85D - Transportation Safety
  • DTFH61-90-C-00093
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