Abstract
Recent research has demonstrated that the agreement between VEP and subjective VA is influenced by both technical and clinical factors [1-3]. In normal visual development, spatial resolution threshold is limited by the density of retinal bipolar cells [4] which initiate three distinct functional pathways; magnocellular, parvocellular, and koniocellular [5]. Ophthalmological conditions during development with pathology before the LGN and resulting in moderate or severe visual impairment [6] may preferentially preserve the magnocellular pathway making steady state VEPs the ideal assessment.