Abstract: The object of the present invention is to provide a system and method to enable a person wishing to improve his vision capabilities to carry with him a training device and to be able to train his vision whenever and wherever he wishes. The current invention makes use of widely available and familiar infrastructure of hand held devices such as cellular phone and cellular network. Other mobile digital devices having visual display may be used, for example: Pocket PC, Palm computer electronic notebook, Personal Digital Assistant (PDA) and even some digital music players such as iPod. Training session comprises of displaying to the trainee sequence of images on the built in display of there hand held device and receiving his response to the displayed images.