If folks previously needed distance vision correction, progressive lenses allow them to have both prescriptions without needing multiple glasses. Unlike bifocal lenses, progressive lenses have no ...

enabling the wearer to adjust her focus depending on the distance from the object she is viewing—similar to bifocal or progressive-lens glasses. There are also contact lenses that can correct ...

Please provide your email address to receive an email when new articles are posted on . Older adults who wore progressive-addition lenses had the greatest fall rate. PALs wearers were two times ...