Alteration of a fixation or peripheral stimulus displayed on a computer-driven display allows a human subject to maintain extended visual fixation upon the resulting dynamic stimulus. The fixation is presented upon the display and the stimulus is altered to allow resensitization of the subject's retina,...http://www.google.fr/patents/US7748846?utm_source=gb-gplus-shareBrevet US7748846 - Dynamic fixation stimuli for visual field testing and therapy
Dynamic fixation stimuli for visual field testing and therapy