title: Some constraints on peripheral visual functioning. Introduction.
mesh_terms: D006801:Humans; D012160:Retina / Q000033:anatomy & histology / Q000502:physiology; D012165:Retinal Ganglion Cells / Q000502:physiology; D014786:Vision Disorders / Q000534:rehabilitation; D014785:Vision, Ocular / Q000502:physiology*; D014794:Visual Fields