Hermann Snellen — Herman Snellen (February 19, 1834, Zeist January 18, 1908) was a Dutch ophthalmologist who introduced the Snellen chart to study visual acuity (1862). He took over directorship of the Netherlands Hospital for Eye Patients after Dr. Frans Cornelis … Wikipedia
Hermann Snellen — noun Dutch ophthalmologist who introduced the Snellen chart to study visual acuity (1834 1908) • Syn: ↑Snellen • Instance Hypernyms: ↑ophthalmologist, ↑eye doctor, ↑oculist … Useful english dictionary
Snellen's chart — The familiar eye chart used to measure how well you see at various distances. Snellen s chart is imprinted with block letters that line by line decrease in size, corresponding to the distance at which that line of letters is normally visible. The … Medical dictionary
Snellen's test type — The letters on the familiar eye chart used to measure how well you see at various distances. The eye chart, known as Snellen s chart, is imprinted with block letters that line by line decrease in size, corresponding to the distance at which that… … Medical dictionary
Snellen — noun Dutch ophthalmologist who introduced the Snellen chart to study visual acuity (1834 1908) • Syn: ↑Hermann Snellen • Instance Hypernyms: ↑ophthalmologist, ↑eye doctor, ↑oculist … Useful english dictionary
Snellen chart etc. — Snel·len chart, etc. (snelґən) [Hermann Snellen, Dutch ophthalmologist, 1834–1908] see under chart, eye, sign, test, and test type … Medical dictionary
Snellen-Sehproben — Snẹllen Se̱hproben [nach dem niederl. Ophthalmologen Hermann Snellen, 1834 bis 1908]: Tafeln mit Buchstaben, Zahlen und hakenförmigen Zeichen in verschiedener Größe zur Prüfung der Sehschärfe … Das Wörterbuch medizinischer Fachausdrücke
Snellen — Hermann, Dutch ophthalmologist, 1834–1908. See S. sign, S. test types … Medical dictionary
Snellen chart — Snel·len chart snel ən n the chart used in the Snellen test with black letters of various sizes against a white background Snellen Hermann (1834 1908) Dutch ophthalmologist. Snellen was director of an eye clinic at Utrecht. In 1862 he introduced… … Medical dictionary
Chart, Snellen's — The familiar eye chart used to measure how well you see at various distances. Snellen s chart is imprinted with block letters that line by line decrease in size, corresponding to the distance at which that line of letters is normally visible. The … Medical dictionary