Study: Yellow Lens Glasses Don’t Improve Drivers’ Night Vision

Source: Reuters Health

Touted to improve nighttime eyesight, yellow lens glasses don’t help drivers see better and may, in fact, worsen vision, a new study suggests, Reuters Health reported.

Researchers found that yellow-lens wearing volunteers operating a driving simulator were no better at spotting a pedestrian when confronting oncoming headlights than those who wore clear lenses, according to the study published in JAMA Ophthalmology, August 1. And there was a suggestion that the yellow tinted lenses might even be making the situation worse.

Buyers of these products “have the concept that somehow these magic glasses can improve nighttime driving,” said the study’s lead author, Alex Hwang, an instructor in ophthalmology at the Harvard Medical School and an investigator at the Schepens Eye Research Institute at Massachusetts Eye and Ear. “Wearing (tinted) glasses, whether they are yellow, red or blue, cuts out a chunk of light. Which means this is the same as wearing sunglasses while driving at night.”

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