Study Questions if Blue Light Blocking Glasses Really Work
Despite claims by their makers, blue light glasses probably don't reduce eyestrain for people who spend a lot of time looking at computer screens or phones.
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Despite claims by their makers, blue light glasses probably don't reduce eyestrain for people who spend a lot of time looking at computer screens or phones.
Adding a blue-light filter to your eyeglasses may not ease eye strain from computer work, protect the retina or help with sleep at night, according to a new review of
According to an analysis of 17 randomized controlled studies, blue light-blocking eyewear has no effect on computer-related eye strain or sleep quality.
The included studies did not examine this outcome, hence the study found no evidence that blue-light-filtering lenses protect the retina, the light-sensitive tissue at the back of the eye.
Spectacles that are marketed to filter out blue light probably make no difference to sleep quality, according to a new Cochrane review.