Bifocals vs. Progressive Eyeglass Lenses

If you have a prescription for bifocal lenses, which means you need a different prescription for near and far, you may be wondering what lens options you might have. The most common question is: what is the difference between bifocal and progressive lenses?

Pupil Distance PD Measurement

What is PD?

Pupil distance is one of the most important measurements for clear vision in eyeglasses. Read about what is a pd and more.