No Line Reading Glasses give You a Stylish Look. Progressive lenses, known as No Line s, do not have Visible Lines. Progressive Lenses are Multifocal and provide a seamless progression of many lens powers for all viewing distances. Magnification for looking down doing close up work, lessor magnification for intermediate distance and lowest/no magnification in the upper lens for distance vision. Top Quality Frames with Spring Metal Hinges make them Sturdy yet they have a very Comfortable Fit - Youll Forget you have them on. Youre going to Absolutely LOVE these Progressive Readers! Includes Complimentary Case and Cleaning Cloth. PLEASE NOTE: Non-prescription glasses should not replace prescribed corrective lenses or examiniations by an eye care professional. Regular eye examinations are necessary to determine your eye health status and vision needs.