Patent ID: 8556417

Claim:
An ophthalmic lens, comprising: an optic having an optical axis and a plurality of surfaces comprising an anterior surface and a posterior surface, at least one of the surfaces having: an inner refractive region adapted to contribute refractively to a distance focus optical power; a refractive-diffractive structure disposed outwardly from the inner refractive region in a direction away from the optical axis, the refractive-diffractive structure comprising two or more diffractive regions and one or more refractive regions, a diffractive region comprising a plurality of concentric rings that form a diffraction grating, at least one refractive region disposed between two diffractive regions, a diffractive region adapted to contribute diffractively to a multi-zone optical power, a refractive region adapted to contribute refractively to the distance focus optical power; and an outer refractive region disposed outwardly from the refractive-diffractive structure in the direction away from the optical axis, the outer refractive region adapted to contribute refractively to the distance focus optical power.