ScreenVision™ is our answer to unwanted blue light. Most of us spend hours in front of screens; computer, pad or phones. Excessive blue light created from these screens can cause eye fatigue and even disrupt sleep. Our blue light blocking glasses, have zero magnification but block out up to 30% of harmful blue light. Say good by to scratchy and red eyes, headaches and sleepless nights with our ScreenVision™ blue light blocking glasses.