A lens (1) is described, which has a curved surface, a plane surface (3) and a holding edge (4) molded onto the lens edge. The curved surface and plane surface on both sides of the lens are pressed bright. A supporting edge (5) which projects from the plane surface (3) is molded onto the holding edge. Such lenses are preferably used for projection headlights for motor vehicles. A method of manufacture for such lenses is also specified.