Bifocal lenses are a good choice for many people. They are the least expensive multifocal lenses available. They give you a wide reading area and since they have a visible line, they are easy to get use too. This type of lens has been around for many years and worked very well. Since bifocals only correct for distance vision and near vision and with the introduction of tablets, computers, iphones, cell phones and other electronic devices progressive lenses have become extremely popular.