Once you do, you will love them.Convenience. No Put On And Take Off 100 Time Every Days * One glasses have three focal lengths. This is Progressive reading glasses.They transition nicely. The lower region of the lenses magnify up-close, the middle range, quite naturally, magnifies desktop distant objects, and the upper region brings across-desk objects into focus beautifully. estimate the focal planes to be at about one, two, and three feet, respectively.So we can seeto drive, watch TV, look at the computer and up close on my phone. * Anti-blue light lens can effectively protect your eyes, which is very suitable for using computers, mobile phones, reading books, pad, etc. Note: * If you haven't worn progressive lenses, be aware it takes a few days to get used to them. * As two sides of the len is astigmatism disorder district, you need to turn around the head and eyes in order to see objects on your both sides clearly.Includes： 1 x progressive reading glasses 1 x glasses case 1 x glasses cloth