title: [Near heterophoria according to the angle mirror principle].
authors.forename: K E
authors.initials: KE
authors.lastname: Littan
mesh_terms: D000065:Accommodation, Ocular; D006801:Humans; D012029:Refraction, Ocular; D013285:Strabismus / Q000175:diagnosis*; D014787:Vision Tests / Q000295:instrumentation*
vernacular_title: Zur Untersuchung der Nahheterophorie nach dem Winkelspiegelprinzip.