Top countries for Ophthalmology & Optometry

Which countries have the most top-cited scientists in Ophthalmology & Optometry?

1,804 researchers whose main subfield is Ophthalmology & Optometry are in the 2026 list of top-cited scientists, the annual ranking often called the Stanford–Elsevier top 2% scientists list. The United States has the most (755, 41.9%), followed by the United Kingdom (172) and Australia (108). A country with 100 or more opens its institutions in the subfield; the others open their scientists in the table of all authors.

#CountryListed authorsTop 100kShare of subfieldHighest-ranked authorTop institution
1 United States75522241.9%Spaide, Richard F. #1,481Harvard Medical School
2 United Kingdom172559.5%Bourne, Rupert R.A. #5,665Moorfields Eye Hospital NHS Foundation Trust
3 Australia108306.0%Mitchell, Paul G. #5,587UNSW Sydney
4 China99215.5%Wang, Ningli #18,352Beijing Tongren Hospital, Capital Medical University
5 Japan85174.7%Ohno-Matsui, Kyoko #4,451Graduate School of Medicine
6 Germany71203.9%Sankaridurg, Padmaja R. #21,221Friedrich-Alexander-Universität Erlangen-Nürnberg
7 Italy69153.8%Bandello, Francesco Maria #53,460Università degli Studi di Milano
8 India67123.7%Jonas, Jost Bruno #298L.V. Prasad Eye Institute India
9 Singapore39182.2%Wong, Tienyin #474Singapore Eye Research Institute
10 France3762.1%Baudouin, Christophe #10,149Centre Hospitalier National d‘Ophtalmologie des Quinze-Vingts
11 South Korea2911.6%Rim, Tyler Hyungtaek #85,524Seoul National University College of Medicine
12 Canada2831.6%Mollan, Susan Patricia #37,369University of Toronto Faculty of Medicine
13 Netherlands2881.6%Rothová, Aniki A. #45,626Erasmus MC
14 Spain2451.3%Alió, Jorge L. #19,242Universidad Complutense de Madrid
15 Hong Kong2041.1%He, Mingguang #14,759Chinese University of Hong Kong
16 Switzerland1831.0%Flammer, Josef #59,571University Hospital Bern
17 Iran1620.9%Hashemi, Hassan #43,939Tehran University of Medical Sciences
18 Israel1210.7%Loewenstein, Anat #72,520Tel Aviv University
19 Denmark1020.6%Grauslund, Jakob #48,495Rigshospitalet
20 Sweden1020.6%Heijl, Anders H. #56,816Oftalmologi, Lund
21 Brazil920.5%Júnior, Renato Ambrósio #47,945Universidade de São Paulo
22 Greece910.5%Chatziralli, Irini P. #56,336National and Kapodistrian University of Athens
23 Taiwan900.5%Wu, Peichang #110,542National Taiwan University
24 Poland810.4%Grzybowski, Andrzej E. #6,389Uniwersytet Warminsko-Mazurski w Olsztynie
25 Austria820.4%Schmidt-Erfurth, Ursula Margarethe #14,054Medizinische Universität Wien
26 New Zealand820.4%Craig, Jennifer Patricia #32,366University of Auckland
27 Belgium700.4%De Smet, Marc D. #109,214KU Leuven– University Hospital Leuven
28 Portugal510.3%Cunha-Vaz, José Guilherme F. #97,713Centro Hospitalar e Universitário de Coimbra
29 Finland420.2%Kaarniranta, Kai #13,898Itä-Suomen yliopisto
30 Türkiye410.2%Tuǧal-Tutkun, Ilknur #54,077Bayrampasa Eye Hospital
31 Saudi Arabia410.2%Abu El Asrar, Ahmed M. #70,909College of Medicine
32 Ireland310.2%Flitcroft, Daniel Ian #14,456Technological University Dublin
33 Norway310.2%Utheim, Tor Paaske #79,301Sørlandet Hospital
34 South Africa210.1%Naidoo, Kovin Shunmugam #40,406University of KwaZulu-Natal
35 Iceland210.1%Stefánsson, Einar #42,458Haskoli Islands
36 Hungary200.1%Holló, Gábor #108,824Prima Medica Health Centers
37 United Arab Emirates200.1%Agarwal, Aniruddha Kishandutt #170,916Cleveland Clinic Abu Dhabi
38 Macao110.1%Zhang, Kang #18,942Macau University of Science and Technology
39 Russia100.1%Bikbov, Mukharram M. #113,519Ufa Eye Research Institute
40 Tunisia100.1%Khairallah, Moncef #118,221CHU Fattouma-Bourguiba
41 Liberia100.1%Sunness, Janet S. #139,579Greater Baltimore Medical Center (GBMC)
42 Jordan100.1%Alryalat, Saif Aldeen #150,274The University of Jordan
43 Thailand100.1%Ruamviboonsuk, Paisan #189,785Rangsit University
44 Jamaica100.1%Fortune, Brad A. #227,806Devers Eye Institute
45 Kuwait100.1%Behbehani, Raed #235,420Al-Bahar Eye Center
46 Argentina100.1%Iribarren, Rafael #241,069Drs. Iribarren Eye Consultants
47 Philippines100.1%Ang, Robert Edward Ty #245,420Rockwell Center
48 Puerto Rico100.1%WuDunn, Darrell #248,803University of Florida College of Medicine-Jacksonville
49 Egypt100.1%Mansour, Ahmad M. #253,641Faculty of Medicine, Ain Shams University
50 Indonesia100.1%Ulhaq, Zulvikar Syambani #256,287Badan Riset dan Inovasi Nasional
51 Ethiopia100.1%Kempen, John H. #282,841Myungsung Medical College
52 Barbados100.1%Hennis, Anselm J.M. #288,601The University of the West Indies, Cave Hill Campus
53 Colombia100.1%De La Torre, Alejandra #300,461Universidad del Rosario
54 Rwanda100.1%Mathenge, Wanjiku Ciku #346,507Rwanda International Institute of Ophthalmology