Each pair of Timeless Eyeglass Frames come with clear demo lenses to be replaced with your prescription.
Provide 100% UV400 protection blue light blocking. Blue light penetrates your eye all the way to the retina, blue-light blocking lens can mitigate damage that will cause problems later in life, can effectively block ultraviolet radiation and filter harmful blue light from entering your eyes.
The frames with anti-blue light glasses only is ultra light ,you can hardly feel them on your face. It made of the best stainless steel metal, this highly advanced metal material is flexibility, shock resistant and water proof. The point is not to hurt the skin, the best choice for eyewear enthusiasts.