Lenses made for reading assistance (Presbyopia)

• Bifocals: Lenses with two powers – one for distance and one for near – separated by a visible line.
• Trifocals: Lenses with three powers for seeing at varying distances – near, intermediate and far – separated by two visible lines.
• Progressive Addition Lenses (PAL’S): These lenses have many advantages over bifocals and trifocals because they allow the wearer to focus at many different distances, not just two or three. Because they have no lines, progressive lenses allow a smooth, comfortable transition from one distance to another.

If you see well in the distance without the need for eyeglasses, simple reading glasses with single vision lenses may be all you need to deal with near vision problems caused by presbyopia.