The invention relates to a vision testing system and to a method for testing the eyes of a subject, comprising a display device by means of which optotypes can be visualized to at least one eye of the subject, comprising a control device for controlling the display device, the display device comprising a backlit screen, the display device having a camera device by means of which the eyes of the subject can be captured, the display device having an illuminating device comprising an infrared light source by means of which the eyes of the subject can be illuminated.
