Bifocal or trifocal or progressive lenses are really just multiple sets of lenses squashed into a smaller form factor, and greatly reduce the wearer’s field of view which is itself a significant ...

Plus, contact lenses were starting to get on my nerves. They were uncomfortable, I was always running out, and I never seemed ...

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 ...

“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 ...

But I also need progressive lenses to see things clearly both up-close and at a distance. I have shopped at more than a dozen ...

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 ...