Any question please fell free to contact us by email, we will reply within 24H. Your Glasses come with our 90 Day Money Back Guarantee. You have no risk to buy. Multiple scenes available - This men's anti blue light reading glasses can not only choose reading glasses with degrees to help your vision, but also glasses with no degrees to provide effective visual protection in harmful blue light environments on electronic screens such as computers and mobile phones. Frame Material - Fashion Eyewear has ultra-lightweight TR material frames, soft rubber temples, and sturdy metal spring hinges. Adjustable spring hinges allow you to find the perfect fit for different face shapes, making your wear more comfortable and flexible. Reading glasses - The "Size" stands for the Diopter/Magnification. Magnification Strength:0.0,+1.0,+1.5,+2.0,+2.5,+3.0,+3.5. You can choose different degrees of reading glasses according to your needs; Scratch-resistant and durable, all-around protection for your eyes, bring you a good visual experience. Blue light filter glasses lens - Selected high-quality lenses with anti blue light coating effectively block harmful blue light from computers, mobile phones, lights and other electronic products, which can reduce eye fatigue, glare headache, blurred vision, so that you can enjoy a better night's sleep; It also has UV and anti-glare properties.