The invention relates to a method for adapting the visual and/or visual-motor behaviour of a person, the method comprising: - an optical parameter and a person visual parameter providing step (S2, S4), during which a person visual parameter indicative of a visual parameter of the person relative to a given visual and/or visual-motor behaviour of the person is provided and an optical parameter characterizing an optical system is provided, the optical system being intended to equip the person； a target value providing step (S6), during which a target value for the person visual parameter related to the optical parameter is provided； - a visual and/or visual motor behaviour modifying step (S8), during which a reference visual and/or visual-motor behaviour of the person is modified so as to define a modified visual and/or visual-motor behaviour of the person by providing a visual and/or visual-motor training to the person； a person visual parameter assessing step (S10), during which the person visual parameter is assessed for the modified visual and/or visual-motor behaviour of the person； a determining step (S12), during which a suitable visual and/or visual-motor behaviour for the person equipped with the optical system is determined by repeating the modifying and assessing steps so as to minimize the difference between the assessed person visual parameters and the target value； and an adapting step (S14), during which the visual and/or visual-motor behaviour of the person equipped with the optical system is adapted based on the suitable visual and/or visual-motor behaviour.
