Oakley O Frame 2.0 XM Facet Iron with High Intensity Yellow lens oo7066-45, is a HIGH DEFINITION OPTICS LENSES All Oakley lenses offer HDO, Technology with the following benefits: Clarity: Conventional lenses can magnify images. HDO, precision gives less distorted vision across the entire field of view. Refraction: With regular lenses, objects aren't really where you see them. HDO offers a truer visual image so your brain won't have to work overtime. UV Protection: All Oakley lenses block 100% of UVA, UVB, UVC rays and harmful blue light up to 400 nm. Please note this frame comes with a Hi intensity Yellow lens, the image is not that clear.