As a result, people require multiple sets of eyeglasses for different conditions. Bifocal or trifocal or progressive lenses are really just multiple sets of lenses squashed into a smaller form ...

As someone who only started wearing glasses in my 40’s, it has taken some time and practice to find what I like when it comes ...

“Starting as a son’s desire to rid his father of bifocals, Dr Bernard Maitenaz’s invention of progressive lenses is now widely used to assist with the correction of presbyopia,” Elizabeth ...

A progressive lens design is like a bi- or tri-focal lens in that it corrects more than one vision problem at a time. However, these lenses have no visible lines, improving the cosmetic appearance of ...