August Leopold von Reuss was an Austrian ophthalmologist.
He was born in Bilin, Bohemia, and died in Vienna. He was the son of geologist August Emanuel von Reuss (1811-1873), and father to pediatrician August Reuss (1879-1954).
He studied at Karl-Ferdinand University in Prague, and at the University of Vienna, where he obtained his degree in 1865.
At Vienna he was a student of Ernst Wilhelm von Brücke (1819-1892) and Eduard Jäger von Jaxtthal (1818-1884). From 1866 to 1870 he was an assistant to ophthalmologist Carl Ferdinand von Arlt (1812-1887). Later on, he became director of the ophthalmology department at the Allgemeine Poliklinik in Vienna (1872).
In 1909 was named chief of the entire polyclinic. Reuss made several contributions involving the mathematical aspects of ophthalmic medicine, conducting studies involving optics, ophthalmometry and curvature of the cornea. He also performed extensive research of color blindness, and developed a pseudo-isochromatic color chart that was formerly used to test color blindness.
He published over 75 scientific works, including a 1902 treatise on the visual field in nervous disorders called Biographisches Lexikon der hervorragenden Ärzte der letzten fünfzig Jahre. Urban & Schwarzenberg, München und Wien 1962, 2. Band, S. 1287. Anton Elschnig.
August Ritter von Reuß. In: Sudetendeutsche Lebensbilder. Band 3. Reichenberg 1934, S. 210.
Julius Hirschberg: Geschichte der Augenheilkunde. Wien 1918, 1235/II, S. 377f, Nachdruck Olms Hildesheim 1978.