Top 100 Scientists
Africa Medical and Health Sciences / Optometry 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" (901,365 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.
Optics
Vision
Astigmatism
Metrics
H-Index
i10 Index
Citation
34
109
5,562
Optometry
Ocular Pharmacology
Vision Science
Ocular Health
IPC in Eye Care
Metrics
H-Index
i10 Index
Citation
23
62
1,791
* Rankings
Ranking Based On Selection :3
Optometry and Vision Science
Metrics
H-Index
i10 Index
Citation
23
49
2,053
Maternal and child nutrition
Metrics
H-Index
i10 Index
Citation
21
28
1,365
macular pigment
clinical trial
age-related macular degeneration
epidemiology
nutrition
Metrics
H-Index
i10 Index
Citation
20
29
1,353
* Rankings
Ranking Based On Selection :6
Optometry and vision science
low vision
public health optometry
Metrics
H-Index
i10 Index
Citation
19
32
1,093
optometry
renal physiology
endocrinology and metabolism
Metrics
H-Index
i10 Index
Citation
14
22
1,124
Contact lens
Research Methods
Public Health
Primary Care Optometry
Metrics
H-Index
i10 Index
Citation
13
16
468
* Rankings
Ranking Based On Selection :9
Optometry
Refractive Error
Blindness
Public Health
Higher Education
Metrics
H-Index
i10 Index
Citation
13
15
634
* Rankings
Ranking Based On Selection :10
Spectroscopy
plasma
welding
optics
optometry
Metrics
H-Index
i10 Index
Citation
13
15
486
* Rankings
Ranking Based On Selection :11
optometry
keratoconus
binocular vision
contact lenses
optometry education
Metrics
H-Index
i10 Index
Citation
12
14
391
* Rankings
Ranking Based On Selection :12
Statistics of Refractive State
Computer software for vision measurement
Vision Science
Metrics
H-Index
i10 Index
Citation
12
15
542
* Rankings
Ranking Based On Selection :13
Matérial science_optics and optometry
Metrics
H-Index
i10 Index
Citation
11
11
336
* Rankings
Ranking Based On Selection :14
Clinical Optometry: OCT
HIV
myopia
e-device use
Metrics
H-Index
i10 Index
Citation
10
11
243
* Rankings
Ranking Based On Selection :15
Binocular Vision
Orthoptics and Vision Therapy
Public Health Optometry
Metrics
H-Index
i10 Index
Citation
8
5
268
* Rankings
Ranking Based On Selection :16
Ocular health
Toxicology and Environmental/public Vision
Metrics
H-Index
i10 Index
Citation
7
6
571
* Rankings
Ranking Based On Selection :17
Clinical optometry
occupational and public health
Metrics
H-Index
i10 Index
Citation
7
5
153
* Rankings
Ranking Based On Selection :18
Optometry
Public Health
Metrics
H-Index
i10 Index
Citation
6
3
81
* Rankings
Ranking Based On Selection :19
Contact lenses
Metrics
H-Index
i10 Index
Citation
6
5
192
* Rankings
Ranking Based On Selection :20
Refractive Errors
Physiological Optics of the Eye
Optics of Dispensing
Aniseikonia and anterior
Metrics
H-Index
i10 Index
Citation
5
2
169
* Rankings
Ranking Based On Selection :21
Contact lenses
Optometry and Technology
Paediatric vision
Metrics
H-Index
i10 Index
Citation
5
1
66
* Rankings
Ranking Based On Selection :22
Optometry
Metrics
H-Index
i10 Index
Citation
4
0
38
* Rankings
Ranking Based On Selection :23
health professions education
optometry
Metrics
H-Index
i10 Index
Citation
4
3
167
* Rankings
Ranking Based On Selection :24
contact lenses
keratoconus
dry eye disease
cornea
Metrics
H-Index
i10 Index
Citation
3
1
40
* Rankings
Ranking Based On Selection :25
Optometry
Metrics
H-Index
i10 Index
Citation
3
0
19
* Rankings
Ranking Based On Selection :26
Optometry
ocular microbiology
public health and environmental microbiology
public eye health
contact lens and human tear ana
Metrics
H-Index
i10 Index
Citation
3
0
13
* Rankings
Ranking Based On Selection :27
keratoconus
public health system
Metrics
H-Index
i10 Index
Citation
2
0
21
* Rankings
Ranking Based On Selection :28
Binocular vision
paediatrics
primary eye care
Metrics
H-Index
i10 Index
Citation
2
0
15
* Rankings
Ranking Based On Selection :29
Rehabilitative Optometry and Low Vision Care
Metrics
H-Index
i10 Index
Citation
2
0
12
* Rankings
Ranking Based On Selection :30
Metrics
H-Index
i10 Index
Citation
2
0
11
* Rankings
Ranking Based On Selection :31
optometry
Metrics
H-Index
i10 Index
Citation
2
0
5
* Rankings
Ranking Based On Selection :32
ocular Health
primary care Optometry.
Metrics
H-Index
i10 Index
Citation
1
1
17
* Rankings
Ranking Based On Selection :33
Paediatrics
Binocular Vision
Low Vision
Ethics and Public Health
Metrics
H-Index
i10 Index
Citation
1
1
15
* Rankings
Ranking Based On Selection :34
Optometry and Vision Science
Metrics
H-Index
i10 Index
Citation
1
0
6
* Rankings
Ranking Based On Selection :35
OPTOMETRY AND VISION SCIENCE
Metrics
H-Index
i10 Index
Citation
1
0
5
* Rankings
Ranking Based On Selection :36
Primary Care Optometry
Vision Science
Metrics
H-Index
i10 Index
Citation
1
0
4
* Rankings
Ranking Based On Selection :37
Visual Optics
Ocular physiology and Forensic
Metrics
H-Index
i10 Index
Citation
1
0
4
* Rankings
Ranking Based On Selection :38
Optometry
Metrics
H-Index
i10 Index
Citation
1
0
3
* Rankings
Ranking Based On Selection :39
Public health Optometry
Metrics
H-Index
i10 Index
Citation
1
0
2
* Rankings
Ranking Based On Selection :40
Primary Care Optometry
Ocular disease
therapeutics
neuro-optometry
Metrics
H-Index
i10 Index
Citation
1
0
2
* Rankings
Ranking Based On Selection :41
Optometry
eye health care
phytomedicine
Metrics
H-Index
i10 Index
Citation
1
0
2
* Rankings
Ranking Based On Selection :42
Optometry
Public health
Optometry education
eye diseases
binocular vision and contact lenses
Metrics
H-Index
i10 Index
Citation
1
0
2
* Rankings
Ranking Based On Selection :43
Optometry
Biochemistry
Medicals
Health
Metrics
H-Index
i10 Index
Citation
1
0
2
William Harris
University of Johannesburg
Johannesburg, South Africa
Metrics
H-Index
i10 Index
Citation Counts
34
109
5,562
Samuel Kyei
University of Cape Coast
Cape Coast, Ghana
Metrics
H-Index
i10 Index
Citation Counts
23
62
1,791
Optometry
Ocular Pharmacology
Vision Science
Ocular Health
IPC in Eye Care
Khathutshelo Percy Mashige
Metrics
H-Index
i10 Index
Citation Counts
23
49
2,053
Terefe Derso
University of Gondar
Gondar, Ethiopia
Metrics
H-Index
i10 Index
Citation Counts
21
28
1,365
Kwadwo Owusu Akuffo
Metrics
H-Index
i10 Index
Citation Counts
20
29
1,353
macular pigment
clinical trial
age-related macular degeneration
epidemiology
nutrition
Godwin Ovenseri-Ogbomo Od
University of Benin
Benin City, Nigeria
Metrics
H-Index
i10 Index
Citation Counts
19
32
1,093
Optometry and vision science
low vision
public health optometry
Mohammed Abdu Seid
Debre Tabor University
Gondar, Ethiopia
Metrics
H-Index
i10 Index
Citation Counts
14
22
1,124
optometry
renal physiology
endocrinology and metabolism
Ilechie Alex Azuka
University of Cape Coast
Cape Coast, Ghana
Metrics
H-Index
i10 Index
Citation Counts
13
16
468
Contact lens
Research Methods
Public Health
Primary Care Optometry
Prasidh Ramson
Metrics
H-Index
i10 Index
Citation Counts
13
15
634
Optometry
Refractive Error
Blindness
Public Health
Higher Education
Amar Boutaghane
Metrics
H-Index
i10 Index
Citation Counts
13
15
486
Spectroscopy
plasma
welding
optics
optometry
Vanessa R Moodley
Metrics
H-Index
i10 Index
Citation Counts
12
14
391
optometry
keratoconus
binocular vision
contact lenses
optometry education
Alan Rubin
University of Johannesburg
Johannesburg, South Africa
Metrics
H-Index
i10 Index
Citation Counts
12
15
542
Statistics of Refractive State
Computer software for vision measurement
Vision Science
Fatiha Kail
Metrics
H-Index
i10 Index
Citation Counts
11
11
336
Matérial science_optics and optometry
Alvin J Munsamy
Metrics
H-Index
i10 Index
Citation Counts
10
11
243
Clinical Optometry: OCT
HIV
myopia
e-device use
Mohammed Abdul-Kabir
Metrics
H-Index
i10 Index
Citation Counts
8
5
268
Binocular Vision
Orthoptics and Vision Therapy
Public Health Optometry
Canice Asonye
University of Benin
Benin City, Nigeria
Metrics
H-Index
i10 Index
Citation Counts
7
6
571
Ocular health
Toxicology and Environmental/public Vision
Lawrence Sithole
University of Limpopo
Mankweng, South Africa
Metrics
H-Index
i10 Index
Citation Counts
7
5
153
Clinical optometry
occupational and public health
Jacqueline Obioma Elemba
Imo State University Owerri
Owerri, Nigeria
Metrics
H-Index
i10 Index
Citation Counts
6
3
81
Wayne Gillan
University of Johannesburg
Johannesburg, South Africa
Metrics
H-Index
i10 Index
Citation Counts
6
5
192
AbdulSadik Ahmed
Metrics
H-Index
i10 Index
Citation Counts
5
2
169
Refractive Errors
Physiological Optics of the Eye
Optics of Dispensing
Aniseikonia and anterior
Naimah Ebrahim Khan
Metrics
H-Index
i10 Index
Citation Counts
5
1
66
Contact lenses
Optometry and Technology
Paediatric vision
Nsonwu Magnus C
Imo State University Owerri
Owerri, Nigeria
Metrics
H-Index
i10 Index
Citation Counts
4
0
38
Diane Wallace Van Staden
Metrics
H-Index
i10 Index
Citation Counts
4
3
167
health professions education
optometry
Elizabeth Chetty
University of Johannesburg
Johannesburg, South Africa
Metrics
H-Index
i10 Index
Citation Counts
3
1
40
contact lenses
keratoconus
dry eye disease
cornea
Naa Adjeley Addo
University of Cape Coast
Cape Coast, Ghana
Metrics
H-Index
i10 Index
Citation Counts
3
0
19
Juno Okukpon
University of Benin
Benin City, Nigeria
Metrics
H-Index
i10 Index
Citation Counts
3
0
13
Optometry
ocular microbiology
public health and environmental microbiology
public eye health
contact lens and human tear ana
Nonkululeko Gcabashe
Metrics
H-Index
i10 Index
Citation Counts
2
0
21
keratoconus
public health system
Emmanuel Owusu
Metrics
H-Index
i10 Index
Citation Counts
2
0
15
Binocular vision
paediatrics
primary eye care
John Chigozie Ekenze
Imo State University Owerri
Owerri, Nigeria
Metrics
H-Index
i10 Index
Citation Counts
2
0
12
Rehabilitative Optometry and Low Vision Care
Kingsley Bazuaye
University of Benin
Benin City, Nigeria
Metrics
H-Index
i10 Index
Citation Counts
2
0
11
Igbozurike Florence
Bingham University New Karu
Auta Balifi, Nigeria
Metrics
H-Index
i10 Index
Citation Counts
2
0
5
Uwagboe Precious Ngozi
University of Benin
Benin City, Nigeria
Metrics
H-Index
i10 Index
Citation Counts
1
1
17
ocular Health
primary care Optometry.
Lerato Mmusi-Landela
University of Johannesburg
Johannesburg, South Africa
Metrics
H-Index
i10 Index
Citation Counts
1
1
15
Paediatrics
Binocular Vision
Low Vision
Ethics and Public Health
Genesis Edokpa
University of Benin
Benin City, Nigeria
Metrics
H-Index
i10 Index
Citation Counts
1
0
6
Eki Anita Obahiagbon
University of Benin
Benin City, Nigeria
Metrics
H-Index
i10 Index
Citation Counts
1
0
5
Oseleonomhen Monica Odigie
University of Benin
Benin City, Nigeria
Metrics
H-Index
i10 Index
Citation Counts
1
0
4
Primary Care Optometry
Vision Science
Oluwasola Michael Ojo
University of Ilorin
Ilorin, Nigeria
Metrics
H-Index
i10 Index
Citation Counts
1
0
4
Visual Optics
Ocular physiology and Forensic
Florence Akuchi
Bingham University New Karu
Auta Balifi, Nigeria
Metrics
H-Index
i10 Index
Citation Counts
1
0
3
Onwukwe Alvan'D
Metrics
H-Index
i10 Index
Citation Counts
1
0
2
Chiemela C Okoro
University of Benin
Benin City, Nigeria
Metrics
H-Index
i10 Index
Citation Counts
1
0
2
Primary Care Optometry
Ocular disease
therapeutics
neuro-optometry
Ezeigbo Amarachi C
Metrics
H-Index
i10 Index
Citation Counts
1
0
2
Optometry
eye health care
phytomedicine
Nnenne Uwa Onu
Metrics
H-Index
i10 Index
Citation Counts
1
0
2
Optometry
Public health
Optometry education
eye diseases
binocular vision and contact lenses
Chidinma Chukwuka
Gregory University, Uturu
Uturu, Nigeria
Metrics
H-Index
i10 Index
Citation Counts
1
0
2
Optometry
Biochemistry
Medicals
Health