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Blue Light Blocking Glasses Women Men Computer Small Face Clear Bluelight Blocker Eyeglasses Frame ANDWOOD AR001 Square Crystal | Anti-blue Light Lens Color:Square Crystal | Anti-blue Light Lens and Asia Screen Size 2Blue Light Blocking Glasses Women Men Computer Small Face Clear Bluelight Blocker Eyeglasses Frame ANDWOOD AR001 THE DANGER OF BLUE LIGHT 1 As early as 1966, Nell et al. Found that irradiation with blue light can cause damage to retinal cells, leading to decreased vision or even loss of vision. Among them, the short wave blue light between 400 450 nanometers is the most harmful to the retina. 2 At the 2010 annual meeting of the International Light