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.