Multiple glasses are bad enough, but it gets worse when you think about how much it costs to buy multiple glasses. The average cost of a single frame is around $200. Quite a bit if you need a lot of frames. Bifocal or varifocal lens is expensive too and they can cost up to $400 or even $500. Overall, it’s an expensive affair. And then there are the scenarios when you need to switch your eyeglasses for safety reasons, whether it is for touch-to-talk phones or face-to-face work in the shop.When a few years ago I had the opportunity t...
more