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Eduard Jäger von Jaxtthal (June 25, 1818 – July 5, 1884) was an Austrian ophthalmologist who was a native of Vienna. He was a professor at the University of Vienna, and was son to oculist Friedrich Jäger von Jaxtthal (1784-1871), and grandson to Georg Joseph Beer (1763-1821). Jäger is remembered for his work involving eye operations, and for his research of ophthalmic disorders. He was an early practitioner of the ophthalmoscope, and was among the first to use ophthalmoscopy to determine refractive error in the eye. Also, he is credited with providing the first description of retinal appearances associated with diabetes.〔(Journal of the American College of Cardiology ) The Eye as an Indicator of Heart Failure in Diabetic Patients〕 In the 1850s Jäger made improvements to eye chart test types that were earlier developed by Heinrich Küchler (1811-1873). In 1862 Dutch ophthalmologist Hermann Snellen introduced the popular "Snellen chart" for testing visual acuity.〔H. Snellen, Probebuchstaben zur Bestimmung der Sehschärfe, Utrecht 1862.〕 Jäger died in Vienna. == Selected writings == * ''Beiträge zur Pathologie des Auges'' (Contributions to the pathology of the eye); Wien: Staatsdruckerei, 1855. * ''Ergebnisse der Untersuchung des menschlichen Auges mit dem Augenspiegel'' (Results of the investigation of the human eye with the ophthalmoscope); Wien: Staatsdr. 1855. * ''Ophthalmoskopischer Hand-Atlas'' (Ophthalmoscopic hand atlas); Wien, Hofdruckerei 1869. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Eduard Jäger von Jaxtthal」の詳細全文を読む スポンサード リンク
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