An array of finished progressive ophthalmic lens elements having substantially the same addition power and substantially the same optical prescription for distance vision, wherein the array is an array of physical progressive ophthalmic lens elements or a representation of such an array stored in a memory of a computer, each of the progressive ophthalmic lens elements having a progressive lens design characterised by a set of lens design parameters defining: a distance zone providing a refracting power for distance vision; a near zone providing a refracting power for near vision; and a corridor connecting the distance and near zones, the corridor having a refracting power varying from that of the distance zone to that of the near zone; wherein the progressive ophthalmic lens elements provide and are indexed to identify, for a range of values or categories of at least one lifestyle parameter and at least one biometric parameter of lens wearers, different progressive lens designs in which at least two of the lens design parameters each have a respective value or characteristic attributable to, or associated with, a particular value or category of a respective one of the lifestyle and biometric parameters, wherein one of the at least two lens design indexing parameters is distance-near zone size balance with a range of values that equates to a variation in the absolute angular size of the distance zone and the near zone of more than 20° and wherein the other of the at least two lens design indexing parameters is selected from the following parameters: a. corridor length; b. near reference point inset; and c. foveal-peripheral zone size balance, wherein the foveal-peripheral zone size balance is the ratio of the lens surface area available for clear foveal vision to the lens surface area available for only peripheral vision; wherein each value or characteristic of the at least two lens design parameters is from a respective range of values or characteristics associated with the array. a distance zone providing a refracting power for distance vision; a near zone providing a refracting power for near vision; and a corridor connecting the distance and near zones, the corridor having a refracting power varying from that of the distance zone to that of the near zone; wherein the progressive ophthalmic lens elements provide and are indexed to identify, for a range of values or categories of at least one lifestyle parameter and at least one biometric parameter of lens wearers, different progressive lens designs in which at least two of the lens design parameters each have a respective value or characteristic attributable to, or associated with, a particular value or category of a respective one of the lifestyle and biometric parameters, wherein one of the at least two lens design indexing parameters is distance-near zone size balance with a range of values that equates to a variation in the absolute angular size of the distance zone and the near zone of more than 20° and wherein the other of the at least two lens design indexing parameters is selected from the following parameters: a. corridor length; b. near reference point inset; and c. foveal-peripheral zone size balance, wherein the foveal-peripheral zone size balance is the ratio of the lens surface area available for clear foveal vision to the lens surface area available for only peripheral vision; wherein each value or characteristic of the at least two lens design parameters is from a respective range of values or characteristics associated with the array. a. corridor length; b. near reference point inset; and c. foveal-peripheral zone size balance, wherein the foveal-peripheral zone size balance is the ratio of the lens surface area available for clear foveal vision to the lens surface area available for only peripheral vision;