Aviator sunglasses burst onto the military scene in the 1930's as way to protect the eyes of pilots from the sun. Classic aviators have a dark metal frame with reflective lenses, but modern versions offer square lenses, funky colors, and a wide range of sizes.Aviator sunglasses have been worn by all types of people ? from NASA astronauts to police officers ? and have been recently seen on a variety of fashion aviator sunglasses.