This is an innovative new technology which controls both the front and back surfaces of the lens.
Advanced progressive lens technology put into practice for the first time worldwide by SEIKO in 1997.
The world’s first zone design that simultaneously achieves comfort for the wearer and a stylish appearance.
Design that is kind to the eyes, that achieves some of the thinnest and lightest lenses available worldwide.
The worlds first design that achieves a strong stable field of view with optimum changes of the progressive power corridor for all powers.