Dragon's Variable Configuration Geometry (VCG) used by their Marquis model, offers you a no-distortion, crystal clear view on the world and their carbon based lens provide you with seriously good impact protection.
Not bothered by stuff you can't physically see? Well, lets just say that all that great stuff above means happy news for your eyes... the less they have to work and compensate for artificial barriers, the less stress those hard working optical nerves will go through!
These technological features are what sets the true working sunglass brands apart from the high street wannabe's in life.
Take good care of your eyes today and they'll reward you tomorrow.