A device for determining at least one objective ocular refraction parameter of a subject as a function of a plurality of gaze directions of the subject, said device comprising: - ophthalmological means (2, 32, 42, 52) for measuring at least one objective ocular refraction parameter of a subject, said ophthalmological measuring means (2, 32, 42, 52) having at least one measuring optical axis (5, 35, 45) that is/are intended to be aligned with the right ocular axis (21, 22) and left ocular axis (11, 12) of the subject, respectively; and - visual stimulating means (3, 33, 43, 53) intended to stimulate the accommodation and visual convergence of the subject on at least one stimulating optical axis superposed on said at least one measuring optical axis (5, 35, 45), said visual stimulating means (3, 33, 43, 53) having a proximity that may be varied between a first proximity value and at least another proximity value; said device comprises: - opto-mechanical aligning means (LM1, LM2, 13, 14, 23, 24, 16, 26, 7, 37, 47), said opto-mechanical aligning means being able to carry out a first optical alignment of said at least one measuring optical axis (5, 35, 45) with the right and/or left ocular axis, respectively, in a first measuring position, said first measuring position corresponding to a first pair made up of a first gaze declination angle associated with a first proximity value, and simultaneously at a first value of gaze convergence angle (BETA, BETA1, BETA2) resulting from said first proximity value, so as to carry out a first measurement of at least one objective ocular refraction parameter of said subject for said first gaze declination angle and proximity value pair associated with said first value of gaze convergence angle; and - said opto-mechanical aligning means (LM1, LM2, 13, 14, 23, 24, 16, 26, 7, 37, 47) being able to carry out at least another optical alignment of said at least one measuring optical axis (5, 35, 45) with the right and/or left ocular axis, respectively, in at least another measuring position corresponding to another pair made up of another gaze declination angle associated with another proximity value and simultaneously at another value of gaze convergence angle (BETA, BETA1, BETA2) resulting from said another proximity value, so as to carry out at least one second measurement of said at least one objective ocular refraction parameter of said subject for said at least another gaze declination angle and proximity value pair associated with said another value of gaze convergence angle (BETA, BETA1, BETA2). - ophthalmological means (2, 32, 42, 52) for measuring at least one objective ocular refraction parameter of a subject, said ophthalmological measuring means (2, 32, 42, 52) having at least one measuring optical axis (5, 35, 45) that is/are intended to be aligned with the right ocular axis (21, 22) and left ocular axis (11, 12) of the subject, respectively; and - visual stimulating means (3, 33, 43, 53) intended to stimulate the accommodation and visual convergence of the subject on at least one stimulating optical axis superposed on said at least one measuring optical axis (5, 35, 45), said visual stimulating means (3, 33, 43, 53) having a proximity that may be varied between a first proximity value and at least another proximity value; - opto-mechanical aligning means (LM1, LM2, 13, 14, 23, 24, 16, 26, 7, 37, 47), said opto-mechanical aligning means being able to carry out a first optical alignment of said at least one measuring optical axis (5, 35, 45) with the right and/or left ocular axis, respectively, in a first measuring position, said first measuring position corresponding to a first pair made up of a first gaze declination angle associated with a first proximity value, and simultaneously at a first value of gaze convergence angle (BETA, BETA1, BETA2) resulting from said first proximity value, so as to carry out a first measurement of at least one objective ocular refraction parameter of said subject for said first gaze declination angle and proximity value pair associated with said first value of gaze convergence angle; and - said opto-mechanical aligning means (LM1, LM2, 13, 14, 23, 24, 16, 26, 7, 37, 47) being able to carry out at least another optical alignment of said at least one measuring optical axis (5, 35, 45) with the right and/or left ocular axis, respectively, in at least another measuring position corresponding to another pair made up of another gaze declination angle associated with another proximity value and simultaneously at another value of gaze convergence angle (BETA, BETA1, BETA2) resulting from said another proximity value, so as to carry out at least one second measurement of said at least one objective ocular refraction parameter of said subject for said at least another gaze declination angle and proximity value pair associated with said another value of gaze convergence angle (BETA, BETA1, BETA2).