Additivity of the Stiles-Crawford effect for a Fraunhofer image.
D005133:Eye Movements; D006801:Humans; D008027:Light; D008266:Macula Lutea; D055095:Optics and Photonics; D010786:Photoreceptor Cells / Q000502:physiology*; D011680:Pupil; D014785:Vision, Ocular; D014792:Visual Acuity