An examination, under atropine, of the refractive state of eyes with normal vision (20/20), and which had never been affected with asthenopia or inflammation Roosa, D. B. St. John (Daniel Bennett St. John), 1838-1908 author. Refractive Errors -- diagnosis Atropine [New York?] : [publisher not identified], [1878?] Case Reports Text 5 pages nlm:nlmuid-101698215-bk 101698215 http://resource.nlm.nih.gov/101698215 OCLC: 665031804 English The National Library of Medicine believes this item to be in the public domain. https://creativecommons.org/publicdomain/mark/1.0