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 ...

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 ...

Like bifocal glasses, bifocal lenses have both your distance prescription and near prescription in one lens. They come in soft and gas-permeable options. “Bifocal and multifocal contacts are the ...

Whether you prefer dailies or monthlies, have astigmatism, or tend to get dry eyes, here are the best contact lenses according to an optometrist.

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

PRODUCT DIMENSIONS - Lens Width: 2.20'', Lens Height ... Live on the sporty side with The Foster Bifocal Safety Glasses. This trendy, stylish and fashionable semi-rimless half frame sun reader ...