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Be wary of using ‘normal’ prescription lenses for sports use especially where impact protection is required such as tennis, clay target shooting and cricket. Virtually all prescription lenses made today use a material called CR-39 and it has certainly revolutionised lens making. However CR-39 does not provide a high level of impact protection and it can shatter. Lightweight, impact-resistant polycarbonate and Trivex lenses are the best choice for safety glasses, sports eyewear and children's ey …

We are often asked about the Category of lenses used for sunglasses and eyewear – what do they mean. The categories range from 0 to 4 with each one covering a range of VLT (visible light transmission – basically how much light the lens lets through). wp:spacer {"height":"20px"} /wp:spacer wp:image {"id":136784,"sizeSlug":"full","linkDestination":"none"} /wp:image The vast majority of sunglasses are Category 3 and these have a VLT range of 8 – 17%. Blocking over 80% of light coming through …

wp:heading Enhanced UV protection /wp:heading Full wrap, sports style sunglasses keep out the elements like sand, dust, grit and wind from getting into your eyes - potentially painful and dangerous. Importantly, unlike "normal" leisure style sunglasses they also stop glare and UVR from coming in over the top and side of the frame. More and more consumers are now wearing sports/wrap-around style sunglasses for every-day wear as they provide enhanced protection from harmful UVR. In July 2022 th …