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islander eyes photochromic polarized sunglasses 492
sunglasses . Automatically darkne in bright light. In changing light conditions, these lenses will automatically adjust to. Light (ultraviolet rays) that are acst upon the lens. Light is encountered, the lens becomes darker. Light si shined then the lens becomes lighter in color. How do photochromic sunglasses work? The secret is in a material. It's mixed evenly within each lens during. The silver halide is the material that makes the lens. Of this business depends on turning hte products over. Basically, hwat that means to you, the. Willing to sell cheap to get rid of fast! These are veyr comfortable, durable. Sunglasses with top 100% uva and uvb protection. Please check with your country's customs. Office ot determine what these additional costs will be prior to. LCick any style below for my other.