Method for determining a progressive ophthalmic lens to be worn by a wearer and for outputting data suitable for manufacturing that lens for said wearer, comprising the steps of: • providing data, said data comprising prescription data, the prescription data comprising a prescribed addition Add p obtained when the wearer is looking straight forward and providing an individual wearer parameter value; • determining a customized addition Add c according to at least the prescribed addition Add p, and where Add c = Add p + corr, corr being the output of a function where the input is at least the individual wearer parameter value and at least an output value over the input range is different from nil; • choosing an initial distribution of power and an initial distribution of astigmatism for each gaze direction under wearing conditions corresponding to a lens suitable for fulfilling the requirements of the prescription data for the wearer; • providing a meridian line, a far vision gaze direction, a near vision gaze direction and an initial addition value Add ini from the initial distribution; • Calculating first transformation coefficients from the difference (Add ini -Addc); • Determining a second distribution of the power and resulting astigmatism by applying the calculated first transformation coefficients to the initial distribution in order to obtain the customized addition at the nearvision gaze direction; • choosing a k value satisfying 0%≤k≤100%; • Determining a first reference gaze direction Dir1(α1;β1) on the meridian line for the initial distribution wherein the difference in mean power between the first gaze direction and the far vision gaze direction satisfies k × Add ini; • Determining a second reference gaze direction Dir2(α2;β2) on the meridian line for the second distribution wherein the difference in mean power between the second gaze direction and the far vision gaze direction satisfies k × Add ini; • Calculating second transformation coefficients from the differences ( α2-α1; β2-β1); • Determining a third distribution of the power and resulting astigmatism by applying the calculated second transformation coefficients to the second distribution in order to obtain a difference in mean power equal to k × Add ini at the first gaze direction Dir1; • Providing a multifocal lens having said third distribution of the power and resulting astigmatism. • providing data, said data comprising prescription data, the prescription data comprising a prescribed addition Add p obtained when the wearer is looking straight forward and providing an individual wearer parameter value; • determining a customized addition Add c according to at least the prescribed addition Add p, and where Add c = Add p + corr, corr being the output of a function where the input is at least the individual wearer parameter value and at least an output value over the input range is different from nil; • choosing an initial distribution of power and an initial distribution of astigmatism for each gaze direction under wearing conditions corresponding to a lens suitable for fulfilling the requirements of the prescription data for the wearer; • providing a meridian line, a far vision gaze direction, a near vision gaze direction and an initial addition value Add ini from the initial distribution; • Calculating first transformation coefficients from the difference (Add ini -Addc); • Determining a second distribution of the power and resulting astigmatism by applying the calculated first transformation coefficients to the initial distribution in order to obtain the customized addition at the nearvision gaze direction; • choosing a k value satisfying 0%≤k≤100%; • Determining a first reference gaze direction Dir1(α1;β1) on the meridian line for the initial distribution wherein the difference in mean power between the first gaze direction and the far vision gaze direction satisfies k × Add ini; • Determining a second reference gaze direction Dir2(α2;β2) on the meridian line for the second distribution wherein the difference in mean power between the second gaze direction and the far vision gaze direction satisfies k × Add ini; • Calculating second transformation coefficients from the differences ( α2-α1; β2-β1); • Determining a third distribution of the power and resulting astigmatism by applying the calculated second transformation coefficients to the second distribution in order to obtain a difference in mean power equal to k × Add ini at the first gaze direction Dir1; • Providing a multifocal lens having said third distribution of the power and resulting astigmatism.