Solar Shield Dioptics Unisex Rectangle Fashion Sunglasses Black

CLIP ONTO EXISTING GLASSES POLARIZED LENSES REDUCE GLARE LENSES HELP FILTER POTENTIALLY HARMFUL BLUE LIGHT* SCRATCH-RESISTANT LENSES IMPACT-RESISTANT LENSES 100% UVA-UVB LENS PROTECTION GENTLE GRIP PRONGS PROTECT GLASSES MADE IN CHINA Lenses with uniform tint filter approximately 70%-96% of potentially harmful blue light, and lenses with gradient tint filter approximately 0%-96% of potentially harmful blue light (depending on the portion of the lens tested). The percentage represents the average amount of potentially harmful blue light filtered at 5 nanometer increments in the 415-455 nanometer range of the visible light spectrum. . .