Blue Light Filter Lenses - Blue light blocker with UV400 protection, helps you resist harmful blue light by 99.9%, reduces discomfort from TV, phone, digital screen and reading under fluorescent lights; Reduces glare, fatigue, headaches, eye strain and dry eyes, protects your vision and helps you sleep better. Lightweight Computer Glasses - Durable, flexible and super light TR90 frame, suitable for long-term use; Stylish style, you will always be in focus. HD Polycarbonate Lens - Anti-reflective, without prescription; With amber tint, high transparency, restores true color; In addition, you can remove the lens at any time and replace it with a prescription lens that you like. Product Dimensions - Lens width: 2.05 inches (52 mm); Lens height: 1.65 inches (42 mm); Temple length: 5.51 inches (140 mm) Nose bridge: 0.55 inches (14 mm) Frame width: 5.51 inches (140 mm)