
Heinrich Küchler
Heinrich Küchler (1811–1873): German ophthalmologist who pioneered early eye charts, advanced corneal surgery, and reformed medical and military health services

Heinrich Küchler (1811–1873): German ophthalmologist who pioneered early eye charts, advanced corneal surgery, and reformed medical and military health services

Eduard Jaeger (1818–1884), Austrian ophthalmologist; introduced Jaeger Test-Types, advanced ophthalmoscopy, and first described diabetic retinopathy

Louise L. Sloan (1898–1982) developed Sloan optotypes (LogMAR), pioneering colour vision screening, perimetry, and low-vision rehabilitation

Barlow syndrome (primary billowing mitral leaflet syndrome (BMLS)). Auscultatory findings of late systolic murmur with non-ejection ('mid-late') systolic click

Radiographic sign of left ventricular enlargement on lateral chest X-ray, based on LV extension behind the IVC; described by Hoffman and Rigler in 1965

Rigler notch sign: Indentation in the border of a solid lung mass (thought to represent a feeding vessel) suggestive of a bronchial carcinoma

Rigler triad; Imaging findings in patients with gallstone ileus with an ectopic gallstone causing small bowel obstruction, and pneumobilia

Radiological signs of pneumoperitoneum: history, diagnosis, and key eponyms including Rigler’s sign, Popper’s sign, football sign, and inverted V sign

Leo George Rigler (1896-1979) was an American radiologist. Eponymously affiliated with Rigler sign; Rigler triad; Rigler notch sign; Hoffman-Rigler sign

John Brereton Barlow (1924-2008) was a South African cardiologist. Barlow described mitral valve prolapse (eponymously known as Barlow’s syndrome) in 1963

Herman Snellen (1834–1908): Dutch ophthalmologist who created the Snellen chart and standardized visual acuity testing, transforming eye care worldwide
Necrotizing fasciitis: life-threatening soft tissue infection, historically hospital gangrene, term coined by Ben J. Wilson in 1951