Blue light from computer screens and smartphones stimulates eyes and can cause sleep problems — but a new analysis finds blue light blocking glasses may not be much help.
"We found there may be no short-term advantages with using blue-light filtering spectacle lenses to reduce visual fatigue associated with computer use, compared to non-blue-light filtering lenses," said Laura Downie, senior author of the review and associate professor at the University of Melbourne, Victoria, Australia, in a"It is also currently unclear whether these lenses affect vision quality or sleep-related outcomes, and no conclusions could be drawn about any potential...
" should examine whether efficacy and safety outcomes vary between different groups of people and using different types of lenses," author Dr. Sumeer Singh, a postdoctoral research fellow in the Downie Laboratory, advised for future research. Americans were also worried about how increased screen time during lockdowns would impact their eyes. A July 2020 Alcon/Ipsos survey found Sellers of blue light blocking glasses or filters promised a solution — but this isn't the first time experts have shown skepticism about their effectiveness.that, while he is concerned about the impact of screens on our vision, blue light blockers aren't the answer.
But while blue light blockers may not do anything, they won't hurt you. In fact, he said,"it causes absolutely no damage."Dr. Christopher Starr, an ophthalmologist at Weill Cornell Medicine in New York, previously told that those glasses aren't needed as much as small breaks away from staring at the screen.
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