[Ophthalmoscope of Helmholtz - 130 years old (author's transl)].
D003604:Czechoslovakia; D005858:Germany; D049672:History, 19th Century; D009885:Ophthalmology / Q000266:history*; D019721:Ophthalmoscopes; D009887:Ophthalmoscopy / Q000266:history*
130 let Helmholtzova oftalmoskopu.