title: A look at the origins of dissociated phoria and fusional vergence range testing.
authors.forename: David A
authors.initials: DA
authors.lastname: Goss
mesh_terms: D049672:History, 19th Century; D049673:History, 20th Century; D013285:Strabismus / Q000175:diagnosis / Q000266:history*; D014787:Vision Tests / Q000266:history*