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Spectacles that are marketed to filter out blue light probably make no difference to eye strain caused by computer use or to sleep quality, according to a Cochrane review of 17 randomised controlled trials of the best available evidence so far. Nor did the review find any evidence that blue-light filtering lenses protect against damage to the retina, the light-sensitive tissue at the back of the eye, as included studies did not evaluate this outcome. ....

South Australia , United Kingdom , Laura Downie , John Lawrenson , Sumeer Singh , Dame Kate Campbell , Coopervision Pty Ltd , Downie Laboratory , Research Council , Alcon Pty Ltd , Head Of The Downie Laboratory , University Of London , National Health , Research Into Practice , University Of Melbourne , Monash University , Method Of Research , Research Translation Unit , College Of Optometrist United Kingdom , Cochrane Database , Systematic Reviews , Associate Professor Laura Downie , Dame Kate Campbell Fellow , Anterior Eye , Clinical Trials , Medical Research Council ,