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 ...

The bifocal lenses are made from bilayer structures of liquid crystal (LC) cells and LC polymer. These lenses split light with a left-handed circular polarization (LCP) into two focused light ...

If you're new to Medicare or vision correction, you're likely wondering what your vision benefits are — and the answer might ...

Some people who are just noticing difficulty viewing near objects can continue without bifocal glasses for several years. It may, however, take a few seconds to adjust one's focus when looking at ...

Progressives lenses approach eyesight in this same way, affording the wearer the ability to adjust between different focal ...

Choose from four different lens types: Single-vision for distance Single-vision for reading Regular bifocals with a link Progressive lenses (no-line bifocals) After you choose the lens package and ...