title: Identifying troxler.
authors.affiliation: hans-ulrich.iselin@gzf.ch
authors.forename: Hans U
authors.initials: HU
authors.lastname: Iselin
mesh_terms: D001319:Authorship; D049671:History, 18th Century; D049672:History, 19th Century; D009885:Ophthalmology / Q000266:history*; D010506:Periodicals as Topic / Q000266:history