title: [Astigmatism - a cause for misinterpretation of x-ray photographs (author's transl)].
abstract: With increasing age a corneal, inverse astigmatism may develop, leading to an unequal projection upon the retina depending on the different angles of view. Fine details, like fissures in a X-ray photograph, will only be recognized in turning the photograph for 90 degrees.
mesh_terms: D001251:Astigmatism; D003951:Diagnostic Errors; D006801:Humans; D011859:Radiography
vernacular_title: Der Astigmatismus als Fehlerquelle zur Beurteilung von Röntgenbildern