1. Biofocal Lenses: This is a type of lens used in eyeglasses that provides two different prescriptions in the same lens. The top portion of the lens corrects for distance vision, while the bottom portion corrects for near vision. These lenses are often used by people who need reading glasses but also want to be able to see clearly at a distance.
2. Biofocal Contact Lenses: This is a newer type of contact lens that uses a similar principle to biofocal eyeglasses. The lens has two different zones, one for distance vision and one for near vision. This allows the wearer to see clearly at both distances without having to switch between different pairs of glasses.
It's important to note that "biofocal" is not a universally recognized term. The term "bifocal" is more commonly used to describe both types of lenses.
To avoid confusion, it's best to use the more commonly accepted term "bifocal" when referring to these types of lenses.
