title: Johannes Kepler: the sky as a retinal image.
authors: Alan
authors: A
authors: Gilchrist
mesh_terms: D001256:Astronomy / Q000266:history*; D005858:Germany; D049669:History, 16th Century; D049670:History, 17th Century; D049690:History, Ancient; D006801:Humans; D009885:Ophthalmology / Q000266:history*; D055095:Optics and Photonics / Q000266:history*; D012160:Retina / Q000502:physiology*; D014796:Visual Perception / Q000502:physiology