● It can block blue light and reduce visual fatigue - there are a lot of blue light in our digital life coming from computer screens, smart phones, TVs, etc. Blue blocking glasses block more than 90% of harmful blue light, reduce eye pressure and prevent eye strain. ● These advanced card reader glasses can also be the perfect gift for your parents and the elderly. The best choice for Valentine's Day, Christmas, Mother's Day and Father's Day. Classic half-frame frame, any face is very nice, help the glasses fit your face ●We design three visual area reading glasses according to human visual light transmission, so that you can wear it all the time in daily use, without repeatedly taking them off, they are used for reading and writing tasks, but They are very useful for tasks that require more visual effects, such as TV, DIY, sewing, crafts, and more. Great for your phone, computer or tablet. Great for working at home or at work. parameter: Lens: Resin Frame: alloy Nose pad: silicone We are confident that we can meet your needs with high quality products. If you have any questions or concerns, please feel free to contact us anytime, anywhere for further assistance, all information will be replied within 24 hours. Welcome your sharing and feedback so that we can provide you with better products and services.