Re: driving at night
Researchers at the Schepens Eye Research Institute (affiliated with Harvard Medical School) in Boston recently conducted a study to determine whether night driving glasses provide any visual benefit in simulated nighttime driving conditions.
A total of 22 adults in a wide range of ages participated in the study published in 2019. All participants "drove" in four simulated night-driving conditions, wearing either yellow-tinted night driving glasses or glasses with clear lenses.
Also, each participant drove in scenarios with and without a headlight glare simulator employed to mimic the effect of oncoming traffic.
In each scenario, the participants' reaction time to seeing a pedestrian walking alongside the simulated roadway was measured.
The study found that night driving glasses did not appear to improve pedestrian detection at night or reduce the negative effects of headlight glare on pedestrian detection performance.
“Our data suggest that wearing yellow lens glasses when driving at night does not improve performance in the most critical task: detection of pedestrians,” the study authors said.
“Instead, the data showed that wearing yellow lens glasses may slightly worsen performance, although that finding was not statistically significant.
"These findings do not appear to support having eye care professionals advise patients to use yellow-lens night-driving glasses," they concluded.
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