title: The proper object of vision.
authors.forename: G
authors.initials: G
authors.lastname: Thrane
mesh_terms: D049690:History, Ancient; D049692:History, Early Modern 1451-1600; D049691:History, Medieval; D049711:History, Modern 1601-; D009885:Ophthalmology / Q000266:history*; D011584:Psychology / Q000266:history*