**********Reduce EyestrainProlonged exposure to blue light will cause eye fatigue, blurred vision and headache, just with our computer glasses, you will notice a difference in a few days. Because the glasses block the most harmful blue light from computer, phone and TV. *****High Quality MaterialsThe 3A transparent lens not only block 99% harmful blue ray (400-440nm), also with high transmittance (93%), providing a perfect balance between eye protection and visual experience. The lightweight and durable TR90 frame puts no stress on your nose ensuring comfort for long periods of time.
*****Sleep BetterProlonged exposure to blue light will slowing or stopping the production of melatonin, causing sleep disorders. Blue Light Shield can stop it and provide you with a better night's sleep. *****2 Pairs of Glasses at a Great PriceKeep a pair in each of your need reading area, or share one to your friend or family, economical and convenient. Best gift sure to parents, friends, senior and yours