German ophthalmologist, born in Berlin on December 4, 1875;He died in Marlborough on April 2, 1927.Carl Bruno stagat was educated at the universities of Heidelberg, erlangen and Berlin and received his doctorate from keele university in 1899.Trained in ophthalmology by professor Carl walker (born 1836) in Kiel, he became assistant chief physician at the university eye clinic.He then worked at the eye clinic in Strasbourg and became the director of ophthalmology in Bonn.In 1923, he succeeded Max belsowski (1899-1940) as head of the department of ophthalmology at the university of marburg.Stargardt's disease: the most common adolescent form of macular degeneration, characterized by multiple yellow subretinal pistil lesions.