Productivity Rankings is a unique service offered only by “AD Scientific Index”. This is a ranking system derived from the i10 index in order to show the productivity of the scientist in publishing scientific articles of value. Productivity Rankings is an instrument that lists productive scientists in a given area, discipline, university, and country and can guide the development of meaningful incentives and academic policies. The world rankings, regional rankings, and university rankings of scientists in this table are developed based on the total i10 index. Additionally, click to view the special rankings based on Productivity Rankings: Scientists Last 6 years' i10 Index", Universities Total i10 Index Rankings 2025, Universities Last 6 Years i10 Index Rankings 2025 "Art and Humanities i10 Productivity Rankings" and "Social Sciences and Humanities i10 Productivity Rankings".
* Total i10 IndexRankings
Ranking Based On Selection :1
Optometry
Ocular Pharmacology
Vision Science
Ocular Health
IPC in Eye Care
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
61
47
0.770
* Total i10 IndexRankings
Ranking Based On Selection :2
macular pigment
clinical trial
age-related macular degeneration
epidemiology
nutrition
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
29
28
0.966
* Total i10 IndexRankings
Ranking Based On Selection :3
Contact lens
Research Methods
Public Health
Primary Care Optometry
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
16
13
0.813
* Total i10 IndexRankings
Ranking Based On Selection :4
Binocular Vision
Orthoptics and Vision Therapy
Public Health Optometry
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
5
4
0.800
* Total i10 IndexRankings
Ranking Based On Selection :5
Refractive Errors
Physiological Optics of the Eye
Optics of Dispensing
Aniseikonia and anterior
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
2
2
1.000
* Total i10 IndexRankings
Ranking Based On Selection :6
Optometry
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
0
0
0
* Total i10 IndexRankings
Ranking Based On Selection :7
Binocular vision
paediatrics
primary eye care
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
0
0
0
Samuel Kyei
University of Cape Coast
Cape Coast, Ghana
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
61
47
0.770
Optometry
Ocular Pharmacology
Vision Science
Ocular Health
IPC in Eye Care
Kwadwo Owusu Akuffo
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
29
28
0.966
macular pigment
clinical trial
age-related macular degeneration
epidemiology
nutrition
Ilechie Alex Azuka
University of Cape Coast
Cape Coast, Ghana
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
16
13
0.813
Contact lens
Research Methods
Public Health
Primary Care Optometry
Mohammed Abdul-Kabir
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
5
4
0.800
Binocular Vision
Orthoptics and Vision Therapy
Public Health Optometry
AbdulSadik Ahmed
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
2
2
1.000
Refractive Errors
Physiological Optics of the Eye
Optics of Dispensing
Aniseikonia and anterior
Naa Adjeley Addo
University of Cape Coast
Cape Coast, Ghana
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
0
0
0
Emmanuel Owusu
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
0
0
0
Binocular vision
paediatrics
primary eye care