arranged facing a subject h having visual impairment a line of vision detection unit that detects a line of vision of the subject h and outputs line of vision signals indicating the line of vision a visual field data storage unit that stores visual field data indicating the visible area ar 2 and the area of visual impairment ar 1 of the subject h and a screen control unit 53 that on the aforementioned screen moves the visible area ar 2 specified based on the aforementioned visual field data in correspondence to the movement of the line of vision of the subject h specified by the aforementioned line of vision signals the display format of the visible area ar 2 or a region including the vicinity thereof is displayed different from the display format of the other region by doing this an attitudinal barrier of the person with visual impairment the subject can be removed and the visual training device can allow easy training to be provided application_number US 33486706 A description reference will now be made in detail to the preferred embodiments of the invention which set forth the best modes contemplated to carry out the invention examples of which are illustrated in the accompanying drawings while the invention will be described in conjunction with the preferred embodiments it will be understood that they are not intended to limit the invention to these embodiments on the contrary the invention is intended to cover alternatives modifications and equivalents which may be included within the spirit and.