New research suggests that blue light glasses may not be as beneficial to eye health as the public has been led to believe. Much of the research that has indicated blue light as harmful to eye health has been animal studies or cell culture experiments; there's no guarantee that information is transferable to humans.
Department of Optometry and Vision Sciences at the University of Melbourne told“This conclusion is based on consistent findings from three clinical trials that studied effects on eye strain over time periods ranging from two hours to five days,” she said.Downie and her team brought together and evaluated relevant clinical evidence, to clarify whether wearing blue light-filtering lenses has any benefits over clear, non-blue-light-filtering lenses.
Downie also noted that it is uncertain whether wearing blue-light filtering lenses before bedtime can improve. “[And] no conclusions could be drawn about the possible effects of blue light-filtering lenses on several vision and eye health measures.” “Sunlight is the main natural source of blue light,” she said. “Artificial light sources also give out varying amounts of blue light, although this is a lot lower than from sunlight.”
Yet, the American Macular Degeneration Foundation has suggested that both UV light and blue light may play a role in retinal damage and increase your risk of age-related macular degeneration. She explained that by interfering with the body’s natural circadian rhythm, blue light may delay sleep onset as well as reduce overall sleep quality.“While the long-term impacts of blue light on our eye health continue to be a subject of ongoing research, the current understanding leans toward the idea that typical digital device use is unlikely to cause serious harm to our eyes,” she said.
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