In a new study, blue light filtering glasses, which have surged in popularity, did not show any reproducible short-term benefit in terms of eye strain, eye health.
is part of the visible spectrum of light and is emitted from the sun, and to a lesser extent, from our screens.
"Blue light filtration typically refers to a coating, which can be applied to corrective prescription lenses or plain lenses," Dr. Jen Tsai, an optometrist in New York City and founder of Line of Sight, told ABC News.found that blue-light-filtering glasses did not show any reproducible short-term benefit in terms of eye strain or eye health, and had mixed or inconclusive results regarding sleep quality.
The review's authors found that, based on the current data, blue-light-filtering lenses have "probably little or no effect" in reducing eye strain. "This systematic review found that blue-light-filtering spectacle lenses may not attenuate symptoms of eye strain with computer use over a short-term follow-up period, compared to non-blue-light-filtering lenses," the authors wrote. "Further, this review found no clinically meaningful difference in changes to CFF [critical flicker-fusion frequency] with blue-light-filtering lenses compared to non-blue-light-filtering lenses.
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