Hold up your clean glasses at an angle to the light. The light reflection then highlights the subtle ZEISS laser mark at the outer rim of the lens. The laser is operated with a wavelength that only permits a low level of penetration. After all, people looking at the wearer should be able to see the ZEISS quality seal, but the wearer's vision should not be impaired by it at all.
Tips for keeping them sparkling
Contact lenses are a very good alternative to glasses – yet there are still a few vision solutions that are only possible with good ol' glasses.
A look behind the scenes: how ZEISS developed DriveSafe
10 tips for your new computer glasses
Customized lenses for driving make driving not only more relaxing, but also increase safety significantly. But what do consumers have to bear in mind when buying glasses for driving?