title: [Visual acuity determination 50 years ago and now].
mesh_terms: D049673:History, 20th Century; D009885:Ophthalmology / Q000266:history*; D011044:Poland; D014787:Vision Tests / Q000295:instrumentation; D014792:Visual Acuity
vernacular_title: Badanie ostrości wxroku przed 50 latami i dzfiś.