Jakob Stilling
Encyclopedia
Jakob Stilling was a German ophthalmologist from Kassel
Kassel
Kassel is a town located on the Fulda River in northern Hesse, Germany. It is the administrative seat of the Kassel Regierungsbezirk and the Kreis of the same name and has approximately 195,000 inhabitants.- History :...

. He studied medicine at several locations including Paris
Paris
Paris is the capital and largest city in France, situated on the river Seine, in northern France, at the heart of the Île-de-France region...

 and Würzburg
Würzburg
Würzburg is a city in the region of Franconia which lies in the northern tip of Bavaria, Germany. Located at the Main River, it is the capital of the Regierungsbezirk Lower Franconia. The regional dialect is Franconian....

, and obtained his doctorate in 1865. In 1867 he became an eye doctor in Kassel, and later furthered his education in ophthalmic medicine at Paris, Berlin
Berlin
Berlin is the capital city of Germany and is one of the 16 states of Germany. With a population of 3.45 million people, Berlin is Germany's largest city. It is the second most populous city proper and the seventh most populous urban area in the European Union...

, Vienna
Vienna
Vienna is the capital and largest city of the Republic of Austria and one of the nine states of Austria. Vienna is Austria's primary city, with a population of about 1.723 million , and is by far the largest city in Austria, as well as its cultural, economic, and political centre...

 and Turin
Turin
Turin is a city and major business and cultural centre in northern Italy, capital of the Piedmont region, located mainly on the left bank of the Po River and surrounded by the Alpine arch. The population of the city proper is 909,193 while the population of the urban area is estimated by Eurostat...

. In 1884 he became a titular professor at the University of Strassburg, where he worked for the remainder of his career. He was the son of surgeon
Surgeon
In medicine, a surgeon is a specialist in surgery. Surgery is a broad category of invasive medical treatment that involves the cutting of a body, whether human or animal, for a specific reason such as the removal of diseased tissue or to repair a tear or breakage...

 Benedikt Stilling
Benedict Stilling
Benedikt Stilling was a German anatomist and surgeon who was a native of Kirchhain. In 1832 he received his doctorate from the University of Marburg...

 (1810-1879).

In 1887 Stilling described an eye movement disorder that was to become known as "Stilling's syndrome". This disorder goes by several other names, including Duane syndrome
Duane syndrome
Duane syndrome is a rare, congenital eye movement disorder most commonly characterized by the inability of the eye to abduct or move outwards...

, which is named after American ophthalmologist Alexander Duane
Alexander Duane
Alexander Duane was an American ophthalmologist who was a native of Malone, New York. He studied medicine at the College of Physicians and Surgeons...

 (1858-1926), who studied several clinical cases of the disorder, and in 1905 provided a more comprehensive description of its symptoms. This condition is characterized by limited abduction and/or limited adduction
Adduction
Adduction is a movement which brings a part of the anatomy closer to the middle sagittal plane of the body. It is opposed to abduction.-Upper limb:* of arm at shoulder ** Subscapularis** Teres major** Pectoralis major** Infraspinatus...

 of the eye.

In 1877 he introduced "Stilling's colour table", which were pseudo-isochromatic charts used in diagnosis of color blindness
Color blindness
Color blindness or color vision deficiency is the inability or decreased ability to see color, or perceive color differences, under lighting conditions when color vision is not normally impaired...

. Among his written works was a study on glaucoma
Glaucoma
Glaucoma is an eye disorder in which the optic nerve suffers damage, permanently damaging vision in the affected eye and progressing to complete blindness if untreated. It is often, but not always, associated with increased pressure of the fluid in the eye...

 called Zur Theorie des Glaukoms, which was published in Albrecht von Graefe's Archiv für Ophthalmologie.
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