【Blue Light Harms】Visible blue light directly reach retina to harm your eye cells and reduces contrast to increase eye strain. Also, blue light suppressed melatonin to destroy sleep quality.
【Blue Light Filter】Ousudela blue light glasses help to filter blue light to reduce eye fatigue, eye strain, blurred vision and headache. Also, improving sleep quality.
【Upgraded Material】Ousudela blue light glasses is made by upgraded material to reduce glasses weight and increase durability. Upgraded lens guarantee original and clear view of the glasses. UV400 function helps safe driving.
【Fashion Design】fashion and classic design guarantee the glasses can go with different style of outfits. Three different colors match different occasions need and can be shared with loved ones.
【After-Service Guarantee】1 month free return and 1 year free warranty. Please feel free to contact us and we will try best to help within 24 hours.