Motorists issued vision warning ahead of incoming heatwave

NewsUK & World NewsMotoringAnother heatwave arrives next week19:52, 08 Aug 2026UK drivers reaching for their sunglasses during the upcoming heatwave have been warned that wearing lenses that are too dark while behind the wheel could result in a fine and penalty points on their licence.‌The RAC has issued a road safety warning, urging motorists to be aware of the legal risks associated with heavily tinted eyewear. The alert specifically draws attention to Category 4 sunglasses on the Visible Light Transmission (VLT) scale.‌Category 4 lenses are designed for extremely bright conditions, such as high-altitude environments and intense mountain glare. They can block up to 97% of visible light, potentially making it much harder for drivers to see hazards clearly, reports MEN.‌Under Section 96 of