Wear the original blue light blocking sunglasses featuring lens technology developed by NASA! Eagle Eyes are the original and only true blue blocking eyewear that protects your eyes from damage while enhancing definition, clarity and contrast. This Extreme aviator-style has the broad-spectrum TriLenium lenses that were developed from original NASA optic technology and blocks out 99.99% of UVA, UVB and blue light rays. They're polarized too! Also features stainless steel frame with spring hinges and adjustable non-slip silicon-gel nose pads for superior comfort.