When buying varifocals, it's important you buy them from somewhere that will explain the difference between lenses, fit them properly and deal with any problems that arise. Varifocal lenses are also ...

The schematics of the three-dimensional varifocal meta-device for manipulating the position of the focal spot and display. The insert image on the top is the synthetic focusing phase of three ...

At John Frewin Opticians, our core belief is that we should offer you varifocal lenses that are a “perfect fit” for you, based on the unique way you see the world around you. The new KUDOS varifocal ...