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The terms in red link to topics in the AQA, Edexcel, OCR, WJEC and CCEA A-level specifications, as well as the Highers/Advanced Highers exam specifications.
Ultraviolet (UV) radiation can cause damage to the body through the generation of radicals. UV light is part of the electromagnetic spectrum. Sunglasses can be designed to absorb UV light and protect the eyes from damage. Some lenses are made from polymers, such as polycarbonates.
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