Amber Vision Sunglasses In Vintage Sunglasses for sale - eBay。Vintage Amber Vision \"Night Drive\" Sunglasses Kalichrome Lens These authentic Vintage Amber Vision sunglasses are a classic example of mid-to-late 20th-century \"performance\" eyewear. Specifically marketed for \"Night Driving\" and \"Low-Light Visibility,\" Features Brand: Amber Vision / BluBlocker Era. Lens Type: Kalichrome C Era: 1970s – 1980s. Material: Polished Gold-Tone Metal or Durable Acetate. Signature Design & \"Night Vision\" Features Blue-Light Filtration: Features high-density yellow tinting, which effectively filters out the shorter blue wavelengths of light that cause \"scatter\" and blur in low-light conditions. Contrast-Enhancing Optics: The Kalichrome lens significantly brightens the visual field, making road markings. \"Wrap-Around\" or Aviator Silhouette: Often designed in a large-lens Aviator or Navigator shape, Excellent Pre-Owned. No known flaws. #AmberVision #NightDrive #Kalichrome #VintageSunglasses #YellowLenses #HighContrast #DrivingGlasses #70sStyle