Abstract: A method, a mobile device and a central unit for supplying a mobile user with service information relating to real world objects viewed by him, picture data for at least one of the objects being captured and made visible to the user by a picture producing device worn or carried by the user in that picture signals corresponding to the picture data are projected directly on the retina of the user, the user selecting a picture segment from the made-visible picture data which is determined through eye positions of the user, picture segment data based on the picture segment being sent to a processing unit which is located in the mobile device or in the central unit and which determines the desired service information based on the picture segment data, for example a translation of the text information provided on the viewed objects or background information on the viewed objects, and this service information being reproduced for the user, for example in visible or audible form.