Varilux Physio 360 is the most advanced progressive lens available.

Enhanced high resolution vision
This is the first progressive lens ever to incorporate two innovative technologies. W.A.V.E Technology as used in Laser Surgery and Advanced Astronomy, and double-sided Aberration Control, a calculation software patented by Essilor to optimise visual performance. It is the lens of choice for those who are in search of a high-tech and a precise solution for their visual needs. It offers unsurpassed sharpness and comfort in any activity.

This short video may help: www.essilor.com.au/video

As might this demonstration of progressive lenses: www.essilor.com.au