Top 100 Scientists

World Top 100 Scientists 2025

Top 100 scientists can be ranked globally or specific to the following regions including Africa, Asia, Europe, North America, Latin America, Oceania, Arab League, ASEAN, EECA, and BRICS based on total H-index scores without any breakdown by subject areas. Top 100 rankings in the world, in a continent, or a region include standardized subjects areas of Agriculture & Forestry, Arts, Design and Architecture, Business & Management, Economics & Econometrics, Education, Engineering & Technology, History, Philosophy, Theology, Law/Law and Legal Studies, Medical and Health Sciences, Natural Sciences, Social Sciences, Art and Humanities Rankings and Social Sciences and Humanities Rankings BETA VERSION. Subject field ranking in world, region, country and university is beta version since subject field "others" (873,864 scientists profile whose branch cannot be determined, not yet edited or determined) is excluded, so the ranking will change as the others fields are edited. Please note that. Subjects indicated as “ * others ” will not be included in the ranking by regions and subjects.

* Rankings
Ranking Based On Selection :1
Joel S Schuman
Ocular Imaging
Aqueous Outflow
Regenerative Ophthalmology
Laser-Tissue Interactions
Metrics
H-Index
i10 Index
Citation
118
441
78,642
Michael Marmor
epidemiology
HIV
ophthalmology
motor vehicle crashes
teaching of epidemiology
Metrics
H-Index
i10 Index
Citation
63
116
17,992
L Kagemann
Functional Imaging
Aqueous Humor Outflow
OCT
glaucoma
Metrics
H-Index
i10 Index
Citation
53
99
8,321
Royce Chen
Vitreoretinal Surgery
Retinal Imaging
Optical Coherence Tomography
Uveitis
Metrics
H-Index
i10 Index
Citation
22
35
2,011
Rankings
Ranking Based On Selection: 1
Joel S Schuman
Metrics
H-Index
i10 Index
Citation Counts
118
441
78,642
Ocular Imaging
Aqueous Outflow
Regenerative Ophthalmology
Laser-Tissue Interactions
Rankings
Ranking Based On Selection: 2
Michael Marmor
Metrics
H-Index
i10 Index
Citation Counts
63
116
17,992
epidemiology
HIV
ophthalmology
motor vehicle crashes
teaching of epidemiology
Rankings
Ranking Based On Selection: 3
Carlos Gustavo De Moraes
Metrics
H-Index
i10 Index
Citation Counts
56
184
11,406
Rankings
Ranking Based On Selection: 4
Vivienne Greenstein
Metrics
H-Index
i10 Index
Citation Counts
53
112
8,214
Rankings
Ranking Based On Selection: 5
L Kagemann
Metrics
H-Index
i10 Index
Citation Counts
53
99
8,321
Functional Imaging
Aqueous Humor Outflow
OCT
glaucoma
Rankings
Ranking Based On Selection: 6
Robert Fechtner
Metrics
H-Index
i10 Index
Citation Counts
36
67
5,861
Rankings
Ranking Based On Selection: 7
Nan Kai Wang
Metrics
H-Index
i10 Index
Citation Counts
34
95
3,986
Rankings
Ranking Based On Selection: 8
Konstantin Petrukhin
Metrics
H-Index
i10 Index
Citation Counts
33
61
8,428
Rankings
Ranking Based On Selection: 9
Winston Lee
Metrics
H-Index
i10 Index
Citation Counts
32
70
3,231
Rankings
Ranking Based On Selection: 10
Xin Zhang
Metrics
H-Index
i10 Index
Citation Counts
29
41
2,661
Rankings
Ranking Based On Selection: 11
Lama Al-Aswad
Metrics
H-Index
i10 Index
Citation Counts
23
49
2,191
Rankings
Ranking Based On Selection: 12
Royce Chen
Metrics
H-Index
i10 Index
Citation Counts
22
35
2,011
Vitreoretinal Surgery
Retinal Imaging
Optical Coherence Tomography
Uveitis
Rankings
Ranking Based On Selection: 13
Harriet Lloyd
Metrics
H-Index
i10 Index
Citation Counts
21
30
2,744
Rankings
Ranking Based On Selection: 14
Roman Shinder
Metrics
H-Index
i10 Index
Citation Counts
19
38
1,286
ocular adnexal tumors
orbital disease
lacrimal disease
periocular trauma
Rankings
Ranking Based On Selection: 15
Yi Ting Tsai
Metrics
H-Index
i10 Index
Citation Counts
18
22
1,514
Rankings
Ranking Based On Selection: 16
Vaidehi Dedania
Metrics
H-Index
i10 Index
Citation Counts
17
22
762
Rankings
Ranking Based On Selection: 17
Aliaa Abdelhakim
Metrics
H-Index
i10 Index
Citation Counts
12
13
2,414
Rankings
Ranking Based On Selection: 18
Behnam Tayebi
Metrics
H-Index
i10 Index
Citation Counts
12
13
452
Rankings
Ranking Based On Selection: 19
Scott N Grossman
Metrics
H-Index
i10 Index
Citation Counts
11
11
885
Rankings
Ranking Based On Selection: 20
Nitish Mehta
Metrics
H-Index
i10 Index
Citation Counts
10
11
1,029
Rankings
Ranking Based On Selection: 22
Edward Y Chay
Metrics
H-Index
i10 Index
Citation Counts
6
5
735
Ophthalmology
Biotechnology
Computational Evaluation of Ophthalmic Devices
Rankings
Ranking Based On Selection: 23
William Plum
Metrics
H-Index
i10 Index
Citation Counts
4
1
51
Rankings
Ranking Based On Selection: 26
Divya Kaushal
Metrics
H-Index
i10 Index
Citation Counts
2
0
11