The foveal point spread function as a determinant for detail vision.
D005584:Fovea Centralis / Q000502:physiology; D006801:Humans; D008027:Light; D008959:Models, Neurological; D010775:Photic Stimulation; D012684:Sensory Thresholds / Q000502:physiology; D014796:Visual Perception / Q000502:physiology*