Digital Eye Strain & Headache Relief - Blue Light Blocking GlassesIt's not unusual to spend several hours looking at your screen each day.
Features Frame: Cat Eye Classic FrameOptical grade plasticMicro Spring hingesLightweightLenses: Blue Light FilterDistortion-freeScratch-resistant coatingUV Cat Eye Computer Glasses Blue Light Blocking Glasses - Reading Glasses - Black, +2.. How does it work? All this activity can strain your eyes and lead to headaches and sleeplessness. How many hours do you spend in front of a digital screen? They're designed to: reduce glare (a major cause of eyestrain), increase contrast, and maximize what you see through the lenses making it easier to look at a screen for longer periods of time.