Royal Dutch Visio 1 article published in JoVE Behavior A Method to Quantify Visual Information Processing in Children Using Eye Tracking Marlou J.G. Kooiker1, Johan J.M. Pel1, Sanny P. van der Steen-Kant2, Johannes van der Steen1,2 1Department of Neuroscience, Erasmus MC, 2KEI, Royal Dutch Visio A method is described to quantify the quality of visual information processing based on reflexive eye movements in response to specific visual modalities. Reaction times and fixation output parameters are used to characterize visual performance in children with and without visual impairments from 6 months of age.