Ease the Pain of Blue Light
Indoor glasses
are helpful when spending hours on the computer, digital instruments, gaming, or watching T.V.. Blue light is emitted from electronic instruments, or digital displays, and is the cause of headaches, tension in the neck and shoulders.
Blue light is also one cause of sleep continuity, and depredation. Blue light has been found to be a cause of sleep interruption and sleeplessness. More study is needed in this field.