Blue Light Filtering Glasses
Sliced Bread
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Drueven's Blue Light Blocking Glasses
Drueven O'Hagan is one of the leading lights in the science of light. He says blue light exposure can cause short-term problems like ice strain and headaches, and also lead to worrying long- term problems like macular degeneration. Drueven has done experiments to look at what a dangerous level of blue light actually is. The dangerous levels are very, very high. Not the sort of levels you get from staring at a screen, certainly not even from staring at the sky. With a mobile phone, you get about 0.01 of a unit if you were staring at it the whole time. But with LED lighting, many people were reporting increased headaches, increased mig
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