1. A method for treating of visual impairment associated with misalignment between eyes of a patient, said method comprising: selecting one eye as a leading eye while selecting a second eve as a non-leading eye, tracking a current position of the leading eye when it is staring at a scene and determining a current staring direction of the leading eye, obtaining electronically by a digital video camera of an image of the scene stared at by the patient, tracking a current position of the non-leading eye and determining a staring direction of the non-leading eye, calculating an angular deviation between the staring direction of the leading eye and the staring direction of the non-leading eye, electronically processing the image of the scene such that upon processing the image becomes electronically shifted in accordance with the angular deviation and displaying a processed image in front of at least the non-leading eye.