New Retro Rectangular Aviator Navigator Sport Polarized Light Weight Metal Sunglasses Reduces eyestrain and eye fatigue by eliminating the frequent adjustments that the eyes must make when exposed to changing glare intensities. Conveys colors faithfully by passing light through 7 layers of filtration Increases visual comfort. Our ploarized lens technology is designed to eliminate reflective glare and to protect against harmful UVA and UVB rays