People need reading glasses to help them have a clear vision with the age grows when reading newspapers or something near their eyes, and they can choose bifocal or progressive lenses if they also have problem in distance vision, and for those who first time to choose these two, you can try the progressive glasses, it is the best way to start. Progressive glasses usually take a good 2 weeks to feel OK, and few people feel uncomfortable after wearing them! As the intermediate portion of the lens it is more like normal vision! but 93% of those who have them wouldn't switch!