Heavy mount, which relies on the nose wing door when you already own glasses: after an hour, it's painful. The port is not very comfortable especially that besides mine tend to slide on the nose, so it is often necessary refitting. By cons, for vision, it's nice to return to the yellow sentences 80s is no longer even attention to people tailgating you, and dazzled before me in the mirror. Provide still a little time to adapt: in town, I sought my bearings, being accustomed to other shades.