May 16, 2013 10:34 SGT PINPOINT Public Relations The new measurement tools used to generate measurements for the essilor Varilux S series lenses take into account your eye glass frames, the way they fit the bridge of your nose, the tilt, as well as all aspects of how you use your eyes for vision. The measurements determine how to produce progressive lenses that allow you to see with the same clarity as one does with single lenses.