Object Details
- E.B. Meyrowitz
- Description
- An ophthalmometer (aka keratometer) measures the curvature of the anterior surface of the cornea, and so can be used to assess the extent and axis of astigmatism. The German physiologist Hermann von Helmholtz introduced the basic form in 1851. The Javal-Schiotz two position instrument was introduced in 1881, An inscription on a brass plate of this example reads “Javal-Schiotz Ophthalmometer / Patented No. 1485 / E. B. Meyrowitz Maker New York, Paris, London”
- Louis Émile Javal (1839-1907) was a French ophthalmologist who established an ophthalmological laboratory at the Sorbonne. Hjalmar August Schiøtz (1850-1927) was a Norwegian ophthalmologist who worked in the laboratory.
- Ref: L. Javal and H. Schiötz, “Un opthalmomètre pratique,” Annales d’Oculistique 86 (1881): 5-21.
- Emil B. Meyrowitz, “Ophthalmometer,” U.S. Patent 875,278 (Dec. 31, 1907), assigned to The Meyerowitz Manufacturing Co.
- Location
- Currently not on view
- Credit Line
- Dr. J. Staiman
- ID Number
- MG.M-07024
- catalog number
- M-07024
- 216897.01
- accession number
- 216897
- Object Name
- Ophthalmometer
- ophthalmometer
- Other Terms
- Ophthalmometer; Medicine
- Measurements
- overall: 39 cm x 33 cm x 63 cm; 15 3/8 in x 13 in x 24 13/16 in
- See more items in
- Medicine and Science: Medicine
- Health & Medicine
- National Museum of American History
- associated subject
- Ophthalmology
- Record ID
- nmah_724047
- GUID (Link to Original Record)
- https://n2t.net/ark:/65665/ng49ca746a5-712d-704b-e053-15f76fa0b4fa
