Sharp Vision Sunglasses' unique polarized copper/rose lenses not only improve contrast but enhance natural colors. They filter out harmful parts of the blue spectrum thus eliminating haziness. They allow your eyes to relax without using a dark lens. They help in enhancing visibility in bright and low light. A must for any outdoor activity where high contrast is crucial such as driving, golf, hiking, tennis, pickleball, sports,etc. In addition, all of our lenses block 100% of the UVA and UVB rays. Polarization cuts irritating glare in bright light. Try a pair today and experience the difference!