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Top 50 Key Players companies in Keratometer
by Most Research Publications in the world in 2020

The Keratometer top 50 is Discovery PatSnap’ annual ranking of the top 50 Most Research Publications Keratometer Key Players in the world. Discovery has identified the top key players, startups & unicorns, fast-growings, news entrants in 2020, ranking from differnt perspectives, including patent filing intensity, academic research capability, news media heat. The company list is generated from various data types.
A keratometer, also known as an ophthalmometer, is a diagnostic instrument for measuring the curvature of the anterior surface of the cornea, particularly for assessing the extent and axis of astigmatism. It was invented by the German physiologist Hermann von Helmholtz in 1851, although an earlier model was developed in 1796 by Jesse Ramsden and Everard Home. A keratometer uses the relationship between object size (O), image size (I), the distance between the reflective surface and the object (d), and the radius of the reflective surface (R).

Key Players

Fast-growings

New Entrants

Ranking Year:

2022

2021

2020

2019

2018

Region:

Global

United States

United Kingdom

Ranking:

Most Patent Filings

Highest Patent Value

Most Patent Citation

Most Research Publications

Most Literature Citation

Most Market Reports

Most News Heat

#
Company Name
Region
Tech Topics
Total
1
University Health Network
Ontario, Canada
Health care,Hospitality industry,Resident physician,
...[+2]
Literature: 8
2
Vision-Sciences, Inc.
New York, United States
Health care,Deep brain stimulator,Vagus nerve stimulation,
...[+2]
Literature: 8
3
Moorfields Eye Hospital NHS Foundation Trust
United Kingdom
Health care,Retinitis,Optical coherence tomography,
...[+2]
Literature: 7
4
Cleveland Clinic
OH, US
Health care,Face transplant,Coronary artery bypass surgery,
...[+2]
Literature: 7
5
Bascom Palmer Eye Institute
United States
Health care,Ophthalmology,Cornea,
...[+2]
Literature: 6
6
Manhattan Eye, Ear & Throat Hospital
New York, United States
Health care,Hospitality industry
Literature: 5
7
Sheba Medical Center
Tel Aviv, Israel
Health care,Intubation,Tracheal tube,
...[+2]
Literature: 4
8
St James's University Hospital
West Yorkshire, United Kingdom
Medicine,Surgery,Internal medicine,
...[+2]
Literature: 4
9
U.S. Department of Veteran Affairs
District of Columbia, United States
Health care,National security,Health Insurance Portability and Accountability Act,
...[+2]
Literature: 3
10
Yahoo
Virginia, United States
Advertising,Search engine,Search engine optimization,
...[+2]
Literature: 3
11
Jules Stein Eye Institute
California, United States
Social network,Health care,Ophthalmology,
...[+2]
Literature: 3
12
New Delhi Centre For Sight Ltd.
Delhi, India
Health care,Pharmacy and Therapeutics,Sight,
...[+2]
Literature: 2
13
Royal United Hospital Bath NHS Trust
Bath and North East Somerset, United Kingdom
Health care,Hospitality industry,City centre,
...[+1]
Literature: 2
14
Seoul National University Hospital
South Korea
Emergency department,Healthcare system,Medical tourism,
...[+2]
Literature: 2
15
Tan Tock Seng Hospital Pte Ltd.
Central Region, Singapore
Health care,Health department,Emergency department,
...[+2]
Literature: 2
16
Madigan Army Medical Center
Washington, United States
Healthcare system,Health care
Literature: 2
17
The Mount Sinai Hospital
New York, United States
Borough,Health care,Hospitality industry,
...[+2]
Literature: 2
18
Samsung Medical Center
South Korea
Medical research,Hospitality industry,Health care,
...[+2]
Literature: 2
19
L.V. Prasad Eye Institute
Andhra Pradesh, India
Blindness,Wellness Programs,Health care,
...[+2]
Literature: 2
20
Mackay Memorial Hospital
Taiwan Province, China
Dendritic cell,Cell sorting,Biochip,
...[+2]
Literature: 2
21
Sankara Nethralaya
Tamil Nadu, India
Vascular surgery,General surgery,Plastic surgery
Literature: 2
22
Toronto Western Hospital
Ontario, Canada
Emergency department,Neurosurgery,Hospitality industry,
...[+1]
Literature: 2
23
Kaiser Permanente International
California, United States
Managed Care Organization,Managed care
Literature: 2
24
Kyung Hee University System
South Korea
Hangul,University system,Paralegal,
...[+2]
Literature: 2
25
Memorial Hospital & Health System
Indiana, United States
Health care,Hospitality industry,Childbirth,
...[+2]
Literature: 2
26
Rigshospitalet
Hovedstaden, Denmark
Health care,Hospitality industry,Umbilical Cord Blood Stem Cell,
...[+2]
Literature: 1
27
Beth Israel Deaconess Medical Center, Inc.
Massachusetts, United States
Medical school,Clinical research,Health care,
...[+2]
Literature: 1
28
National Institute for Health Research
United Kingdom
Clinical trial,Research system,Biology,
...[+2]
Literature: 1
29
The Brigham & Women's Hospital, Inc.
Massachusetts, United States
Health care,Mitral valve surgery,Health equity,
...[+2]
Literature: 1
30
The Pennine Acute Hospitals NHS Trust
Manchester, United Kingdom
Health care,Hospitality industry,Medicine,
...[+2]
Literature: 1
31
University Health System
Texas, United States
Serial killer,Health care,Public health
Literature: 1
32
CARE Hospitals Pvt Ltd.
Andhra Pradesh, India
Health care,Vascular surgery,Anesthesiology,
...[+2]
Literature: 1
33
Asan Medical Center
South Korea
Health care,Hospitality industry,Antigen-presenting cell,
...[+2]
Literature: 1
34
Nassau University Medical Center
New York, United States
Trauma center,Medicine,Surgery,
...[+2]
Literature: 1
35
Leids Universitair Medisch Centrum
Zuid-Holland, Netherlands
Medical research,Hospitality industry,Health care,
...[+2]
Literature: 1
36
Helsinki University Central Hospital
Finland
Medicine,Internal medicine,Surgery,
...[+2]
Literature: 1
37
Århus Universitetshospital
Denmark
Medical treatment,Hospitality industry,Health care,
...[+2]
Literature: 1
38
Training Vision Institute Pte Ltd.
Central Region, Singapore
Digital marketing
Literature: 1
39
Kresge Eye Institute
Michigan, United States
Health care,Physician education,Vision problem,
...[+2]
Literature: 1
40
Helse Bergen HF Haukeland Universitetssjukehus
Hordaland, Norway
Regional hospital,Oncology,Breast cancer,
...[+2]
Literature: 1
41
Yerkes National Primate Research Center
Georgia, United States
Primate,Health care,Biology,
...[+2]
Literature: 1
42
University College London Hospitals NHS Foundation Trust
United Kingdom
Neurosurgery,Neurology,Health care
Literature: 1
43
Aalborg University Hospital
Denmark
Social science,Public university,Neurotechnology,
...[+2]
Literature: 1
44
Guangdong General Hospital
Guangdong Sheng, China
Cell therapy,Genetic engineering,Messenger RNA,
...[+2]
Literature: 1
45
Taipei Medical University Hospital
Taiwan Province, China
Patiromer,Biophysics,Medicine,
...[+2]
Literature: 1
46
University Malaya Medical Centre
Malaysia
Medical institution,Medicine,Internal medicine,
...[+2]
Literature: 1
47
Cleveland Clinic Lerner Research Institute
Ohio, United States
Genomic medicine,Molecular medicine,Molecular genetics,
...[+2]
Literature: 1
48
Hinchingbrooke Hospital PFI Project
United Kingdom
Healthcare service
Literature: 1
49
Singleton Hospital
United Kingdom
Health care,Hospitality industry
Literature: 1
50
Canterbury Hospital
Australia
Local government area,Repatriation
Literature: 1

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