A method of manufacturing a progressive-power lens corresponding to a prescription defining a distance dioptric power, a near dioptric power and an addition power, the method comprising providing a lens having: an object-side surface, an eyeball-side surface, a distance portion having a dioptric power corresponding to distance vision; and a near portion having a dioptric power corresponding to near vision, wherein the object-side surface includes a distance reference point, a near reference point, a progressive portion having a progressive start point provided at an end part at the distance portion side, the progressive portion being provided between the distance portion and the near portion, and a principal meridian passing through the distance reference point, the near reference point, and the progressive start point, and wherein the object-side surface satisfies the following expressions n - 1 × CT NP - CT DP > Add CY DP = CT DP the lens being characterized by the object-side surface fulfilling expression: CY P > CT P where n denotes a refractive index of the progressive-power lens, Add denotes an addition power of the progressive-power lens set by the prescription, CT denotes a vertical direction curvature at the distance reference point, CT denotes a vertical direction curvature at the near reference point, CY denotes a horizontal direction curvature at the distance reference point, CY denotes a horizontal direction curvature at a point on the principal meridian which is located further towards the near portion than the progressive start point, and CT denotes a vertical direction curvature at the point, wherein the eyeball-side surface is a corrective surface where correction for a power set in the object-side surface is performed, and includes a distance portion having a distance reference point; a near portion having a near reference point; a progressive portion having a progressive start point provided at an end part at the distance portion side, the progressive portion being provided between the distance portion and the near portion such that the addition power of the progressive-power lens corresponds to the prescription; and a principal meridian passing through the distance reference point, the near reference point, and the progressive start point, wherein a dioptric power of the progressive-power lens in the distance portion is a negative power. an object-side surface, an eyeball-side surface, a distance portion having a dioptric power corresponding to distance vision; and a near portion having a dioptric power corresponding to near vision, wherein the object-side surface includes a distance reference point, a near reference point, a progressive portion having a progressive start point provided at an end part at the distance portion side, the progressive portion being provided between the distance portion and the near portion, and a principal meridian passing through the distance reference point, the near reference point, and the progressive start point, and wherein the object-side surface satisfies the following expressions n - 1 × CT NP - CT DP > Add CY DP = CT DP the lens being characterized by the object-side surface fulfilling expression: CY P > CT P where n denotes a refractive index of the progressive-power lens, Add denotes an addition power of the progressive-power lens set by the prescription, CT denotes a vertical direction curvature at the distance reference point, CT denotes a vertical direction curvature at the near reference point, CY denotes a horizontal direction curvature at the distance reference point, CY denotes a horizontal direction curvature at a point on the principal meridian which is located further towards the near portion than the progressive start point, and CT denotes a vertical direction curvature at the point, wherein the eyeball-side surface is a corrective surface where correction for a power set in the object-side surface is performed, and includes a distance portion having a distance reference point; a near portion having a near reference point; a progressive portion having a progressive start point provided at an end part at the distance portion side, the progressive portion being provided between the distance portion and the near portion such that the addition power of the progressive-power lens corresponds to the prescription; and a principal meridian passing through the distance reference point, the near reference point, and the progressive start point, wherein a dioptric power of the progressive-power lens in the distance portion is a negative power.