HD Polarized LensesPolarizer is manufactured according to the principle of light polarization. We know that when the sun projected on the road or water, direct irritation of the eyes, the eyes senseTo dazzling, fatigue, can not be sustained depending on the material. Especially when you are driving a car, outdoor recreation, not only affect our work and entertainmentLe emotions, and even affect our sense of the images caused by dangerous; long withstand direct exposure to sunlight, but also led to the rapid decline in visionForm of myopia, hyperopia, astigmatism or cataracts. Polarizer effects that effectively eliminate and filter out the scattered light beam. So that the light canTo track the transmission axis into the eye visual images, so that clear vision of nature. The principle is like Venetian blinds, light is adjusted to the light and into theThe interior with natural scenery looks so soft and not harsh.Features:◥ Benefits: UV400 UV glare◥ Tips: Polarized Lenses Eliminate Glare And Reduce Eye Fatigue Polarized Triacetate Lenses Are Impact And Scratch Resistant, Lightweight And Durable9 layer polarized polarizing filter enhanced version yurt1. Water & Oil Resistant Layer2. Scratch Resistant Layer3. Radio Resistant Layer4. Dual Anti-reflection Layer5. Reflection Reduce Coating Layer6. Durable Layer7. High Definition Lens Layer8. Anti-reflection Coating Layer9. Water & Oil Resistant LayerUV400 TestingJoopin lenses are engineered to block 100% ofall harmful blue light up to 400 nanometers includingUVA(320-400 nm),UVB(280-320 nm)and UVC(100-280 nm).Detail ShowComfortable nose padsThis product uses integrated nose pads more comfortable and user-friendly design, making glasses more comfortable to wear, easy to slide.Strong hingesUsing high-quality hinges, opening and closing thousands of times less likely to damage the experiments confirmed that the glasses.Exquisite templesOutstanding anti slip performance, The radian is quite match ergonomics more comfortable and natural, with good gloss.