sentences:  Friedrich Jäger von Jaxtthal was an influential physician and surgeon of ophthalmic medicine.Two of his more famous students in Vienna were Frédéric Jules Sichel (1802–1868) and Albrecht von Graefe (1828-1870).He was a personal physician to Prince Metternich (1773–1859), and the father of ophthalmologist Eduard Jäger von Jaxtthal (1818–1884).