Progressive glasses or lenses is one of the multifocal glasses. In addition, there are also bifocal lenses. Multifocal glasses like progressive eyeglasses are perfect for people who don't like to switch from reading glasses to distance vision eyeglasses.
Progressive lens glasses have no definitive line that can be seen in bifocal prescription eyeglasses. Progressive eyeglasses is considered more contemporary and aesthetically-pleasing then traditional bifocal glasses. At GlassesShop, there are various kinds of progressive lenses online as well as frames, which can be easily adapted to progressive glasses online. These frames vary from material, color and price, leaving you a great number of choices.
Related: Single Vision Glasses