Features: 1.Light on Weight, High on Quality Our glasses are designed for comfortable daily wear with durable lightweight frames and additional coatings which provide UV Light Blocking and make our lenses Anti-Scratch, Anti-Reflective, and Anti-Glare. 2.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. 3.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. 4.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.
Note: 1. There is 2-3% difference according to manual measurement. Please check the size carefully before you buy the item. 2. Please note that slight color difference should be acceptable due to the light and screen. 3. After a long transportation , some items maybe broken . If broken , please contact me , we would offer you a satisfied answer . 4. If you need more, please contact us and we will give you a discount.