A method for verifying a character to be displayed on a screen, compared to a reference character, the character to be displayed and the reference character each comprising at least several characteristic (28, 38) points to be displayed on the screen, the method being characterized in that it comprises the following steps: a) determining a barycenter of the characteristic points of the character to be displayed, b) computing geometric coordinates of each characteristic point of the character to be displayed in a coordinate system centered on the determined barycenter, and c) computing a deviation between the character to be displayed and the reference character, as a function of the computed geometric coordinates for the character to be displayed and predetermined geometric coordinates for the reference character, said predetermined geometric coordinates being geometric coordinates of the characteristic points of the reference character in a coordinate system centered on a barycenter of its characteristic points, the character to be displayed being considered correct only if the computed deviation is below the predetermined threshold, the character to be displayed and the reference character each comprising at least one segment (26, 36) to be displayed on the screen, the characteristic points (28, 38) of said character corresponding to end of the at least one segment (26, 36). the character to be displayed and the reference character each comprising at least several characteristic (28, 38) points to be displayed on the screen, the method being characterized in that it comprises the following steps: a) determining a barycenter of the characteristic points of the character to be displayed, b) computing geometric coordinates of each characteristic point of the character to be displayed in a coordinate system centered on the determined barycenter, and c) computing a deviation between the character to be displayed and the reference character, as a function of the computed geometric coordinates for the character to be displayed and predetermined geometric coordinates for the reference character, said predetermined geometric coordinates being geometric coordinates of the characteristic points of the reference character in a coordinate system centered on a barycenter of its characteristic points, a) determining a barycenter of the characteristic points of the character to be displayed, b) computing geometric coordinates of each characteristic point of the character to be displayed in a coordinate system centered on the determined barycenter, and c) computing a deviation between the character to be displayed and the reference character, as a function of the computed geometric coordinates for the character to be displayed and predetermined geometric coordinates for the reference character, said predetermined geometric coordinates being geometric coordinates of the characteristic points of the reference character in a coordinate system centered on a barycenter of its characteristic points, the character to be displayed being considered correct only if the computed deviation is below the predetermined threshold, the character to be displayed and the reference character each comprising at least one segment (26, 36) to be displayed on the screen, the characteristic points (28, 38) of said character corresponding to end of the at least one segment (26, 36).