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Measuring the Behavioral Effects of Intraocular Scatter
Published on: February 18, 2021
Tinted windshield and its effects on aging drivers' visual acuity and glare response
Wen Shi1, Thurmon E Lockhart, Mehran Arbab
1Grado Department of Industrial and Systems Engineering, Virginia Polytechnic Institute and State University, 250 Durham Hall, Blacksburg, VA 24061, USA.
Safety Science
|September 28, 2011
Summary
Tinted windshields did not significantly impact visual acuity or glare response in aging drivers. This study found no difference in visual performance between bluish and greenish tinted glass for older and younger drivers.
Area of Science:
- Automotive Design
- Ophthalmology
- Human Factors Engineering
Background:
- Automobile manufacturers increasingly use tinted windshields for aesthetic and differentiation purposes.
- The impact of tinted automotive glass on driver vision, particularly for aging populations, requires investigation.
Purpose of the Study:
- To evaluate the effect of different tinted windshields on visual acuity and glare response in aging drivers.
- To compare the visual performance of older and younger drivers with varying tinted windshields.
Main Methods:
- Two commercially available tinted windshields (bluish and greenish, identical transmittance) were tested.
- Participants (14 elderly, 7 young) underwent tests for visual acuity, contrast threshold, glare detection, and discomfort glare rating.
Main Results:
- Alternating between the tested tinted windshields did not affect visual performance in either age group.
- No significant differences were observed in visual acuity or glare response related to windshield tint.
Conclusions:
- The use of bluish or greenish tinted windshields does not appear to impair visual performance for aging drivers.
- Further research is recommended to explore a wider range of tints and driving conditions.
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