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A 2023 review of studies found that while some studies found an improvement in sleep quality when using blue light-blocking glasses, others found no significant effect.
Exposure to blue light at night can suppress the body's natural production of melatonin, making it difficult to sleep. Enter blue light glasses. ... Do Blue Light Glasses Work? "In short, no," Dr ...
The researchers hope to conduct further research on the effects of blue light glasses on sleep, eye health, and more, Dr. Sumeer Singh, an author on the study from the Downie Laboratory, said in ...
The efficacy of blue-blocking lenses in blocking blue light is not disputed, but whether typical exposure to blue light is hazardous enough to require blue blocking lenses is highly disputed. [38] One problem with the glasses is that they cannot achieve positive outcomes in blue-light hazard and sleep simultaneously.
The blue light spectrum is an essential part of the visible spectrum with wavelengths of about 400-480 nm. [1] Blue light is primarily generated by Light-Emitting Diodes (LED) lighting and digital screens, it has now become prevalent in the world around us. [2] LED lighting creates white light by combining blue light with other wavelengths ...
Despite their popularity, blue light-blocking glasses probably don’t do much to reduce eyestrain, help keep people alert or improve sleep, according to a meta-analysis looking at 17 studies ...
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