Blue Blocker Driving Metal Square Aviator Sunglasses Amber Tinted Lens metal frame plastic lens non-polarized Lens width: 65 Lens height: 37 Unisex Metal Square Aviator Driving Sunglasses Blue Blocker Lenses keep out the glare of bright light; Perfect for driving at night Shatter Resistant Poly-Carbonate Frames Great for use while playing sports or working out in the sun. Use these at night when looking at a Computer Screen or Phone to keep the intense light from the screen from keeping you up during the night; Light exposure close to bedtime has been shown to interrupt proper wake-sleep hormone cycles