term that describes a type of lens (spectacle or contact lens) that has more than one focal area such as bifocal, trifocal, or progressive ("no-line bifocal") lenses. myopia: nearsightedness; close objects are in relative focus while distant objects are blurred. Light is focused on a point that lies in front of the retina.

A type of spectacle or contact lens design that includes more than one focal area. Bifocals and trifocals are both multifocal lens designs.

A lens with an upper area for seeing in the distance and a lower area with a different prescription for close work.

Arising from more than one location.