* Bifocal Lenses are used as a one lens option for viewing two separate distances (ie. far and near)
* Bifocal Lenses normally have a visible line on the lens to distinguish between the distance and near portions.
* Bifocal Lenses are usually used by patients 40 and over
* Bifocal Lenses can be made with all ophthalmic eyeglass frames
* Bifocal Lenses can be made in many sunglass frames
* Bifocal Lenses can be made in many materials including plastic (cr39), polycarbonate and trivex lenses
* Bifocal Lenses can have many options added to it such as UV coatings, anti-reflective coatings, polarized lenses, scratch coatings, tints, mirrored lenses etc.
Bifocal lenses (Bifocals) are prescription lenses specifically designed for viewing two different distances, normally far away (greater than 20 feet) and reading. The distance and near portions are divided by a visible line on the lens. A bifocal prescription lens is usually used by patients over the age of 40.