A method for determining a prescription (Rx; sphere, cyl, axis) for a person, comprising: providing aberrometric data characterizing wavefront errors of the person's eye, the aberrometric data being obtained using a wavefront sensor and comprising one or more coefficients (c n m) characterizing the wavefront errors; determining the prescription (Rx; sphere cyl, axis) for the person's eye based on the one or more coefficients (c n m) and on predetermined information (m 2 =0.96; m 4 =-1.6; m 6 =0.8; j 2 =0.88; j 4 =-1.2; j 6 =0.8) relating aberrometric data for a plurality of people's eyes and subjective refraction data for the plurality of people's eyes, whereby the aberrometric data for the plurality of people's eyes comprising estimated corrections M = f r ∑ n, m c m n m n, J i = g i r ∑ n, m c m n j n) for the plurality of people's eyes, whereby the estimated corrections ( M = f r ∑ n, m c m n m n, J i = g i r ∑ n, m c m n j n) each being characterized by the one or more coefficients (c n m), whereby the corresponding subjective refraction data comprising subjectively determined corrections (M, J 0, J 45) for the plurality of people's eyes; whereby the predetermined information (m 2 =0.96; m 4 =-1.6; m 6 =0.8; j 2 =0.88; j 4 =-1.2; j 6 =0.8) comprises values (m 2 =0.96; m 4 =-1.6; m 6 =0.8; j 2 =0.88; j 4 =-1.2; j 6 =0.8) of one or more scaling factors (m n, j n) for the one or more coefficients (c n m) of the estimated corrections ( M = f r ∑ n, m c m n m n, J i = g i r ∑ n, m c m n j n), whereby the values (m 2 =0.96; m 4 =-1.6; m 6 =0.8; j 2 =0.88; j 4 =-1.2; j 6 =0.8) of the one or more scaling factors (m n, j n) having been determined by a process where the values (m 2 =0.96; m 4 =-1.6; m 6 =0.8; j 2 =0.88; j 4 =-1.2; j 6 =0.8) of the one or more scaling factors (m n, j n) are allowed to vary and take on values (m 2 =0.96; m 4 =-1.6; m 6 =0.8; j 2 =0.88; j 4 =-1.2; j 6 =0.8) that minimize differences (ΔM, ΔJ 0, ΔJ 45) between the estimated corrections ( M = f r ∑ n, m c m n m n, J i = g i r ∑ n, m c m n j n) for the plurality of people's eyes and the subjectively determined corrections (M, J 0, J 45) for the plurality of people's eyes and determining the prescription (Rx; sphere, cyl, axis) comprises scaling one or more of the coefficients (c n m) characterizing the wavefront errors of said person's eye with the determined values (m 2 =0.96; m 4 =-1.6; m 6 =0.8; j 2 =0.88; j 4 =-1.2; j 6 =0.8) of the one or more scaling factors (m n, j n); and reporting the prescription (Rx; sphere, cyl, axis) to an eye care professional. providing aberrometric data characterizing wavefront errors of the person's eye, the aberrometric data being obtained using a wavefront sensor and comprising one or more coefficients (c n m) characterizing the wavefront errors; determining the prescription (Rx; sphere cyl, axis) for the person's eye based on the one or more coefficients (c n m) and on predetermined information (m 2 =0.96; m 4 =-1.6; m 6 =0.8; j 2 =0.88; j 4 =-1.2; j 6 =0.8) relating aberrometric data for a plurality of people's eyes and subjective refraction data for the plurality of people's eyes, whereby the aberrometric data for the plurality of people's eyes comprising estimated corrections M = f r ∑ n, m c m n m n, J i = g i r ∑ n, m c m n j n) for the plurality of people's eyes, whereby the estimated corrections ( M = f r ∑ n, m c m n m n, J i = g i r ∑ n, m c m n j n) each being characterized by the one or more coefficients (c n m), whereby the corresponding subjective refraction data comprising subjectively determined corrections (M, J 0, J 45) for the plurality of people's eyes; whereby the predetermined information (m 2 =0.96; m 4 =-1.6; m 6 =0.8; j 2 =0.88; j 4 =-1.2; j 6 =0.8) comprises values (m 2 =0.96; m 4 =-1.6; m 6 =0.8; j 2 =0.88; j 4 =-1.2; j 6 =0.8) of one or more scaling factors (m n, j n) for the one or more coefficients (c n m) of the estimated corrections ( M = f r ∑ n, m c m n m n, J i = g i r ∑ n, m c m n j n), whereby the values (m 2 =0.96; m 4 =-1.6; m 6 =0.8; j 2 =0.88; j 4 =-1.2; j 6 =0.8) of the one or more scaling factors (m n, j n) having been determined by a process where the values (m 2 =0.96; m 4 =-1.6; m 6 =0.8; j 2 =0.88; j 4 =-1.2; j 6 =0.8) of the one or more scaling factors (m n, j n) are allowed to vary and take on values (m 2 =0.96; m 4 =-1.6; m 6 =0.8; j 2 =0.88; j 4 =-1.2; j 6 =0.8) that minimize differences (ΔM, ΔJ 0, ΔJ 45) between the estimated corrections ( M = f r ∑ n, m c m n m n, J i = g i r ∑ n, m c m n j n) for the plurality of people's eyes and the subjectively determined corrections (M, J 0, J 45) for the plurality of people's eyes and determining the prescription (Rx; sphere, cyl, axis) comprises scaling one or more of the coefficients (c n m) characterizing the wavefront errors of said person's eye with the determined values (m 2 =0.96; m 4 =-1.6; m 6 =0.8; j 2 =0.88; j 4 =-1.2; j 6 =0.8) of the one or more scaling factors (m n, j n); and reporting the prescription (Rx; sphere, cyl, axis) to an eye care professional.