Reading glasses have finally evolved from single vision to multifocal, progressive lens technology! You spend a good portion of your time working with high-tech devices and displays. To stay focused for extended periods when using computers, smartphones, tablets and laptops you need better reading glasses. Traditional reading glasses magnify objects at a distance of about eighteen inches. SightLine Multifocal Readers give you a deeper field of vision than regular reading glasses, Ergonomics are improved- you can work longer in comfort.