Citation Rankings
Highly Cited Researchers

Medical and Health Sciences / Optometry Highly Cited Researchers 15 Scientists Citation in Canada Rankings - 2025

The Citation Rankings (Highly Cited Researchers) list highlight the most cited and influential researchers across a vast range of scientific fields, covering 197 main and sub-disciplines, including the Art and Humanities Citation Rankings and Social Sciences and Humanities Citation Rankings. This service, offered exclusively by AD Scientific Index, aims to provide a balanced perspective by excluding data from CERN and other statistical sources that disproportionately favor certain researchers, particularly in the social sciences and humanities. This unique approach addresses the advantages researchers with multi-author publications and CERN involvement hold over others. Furthermore, citation rankings help uncover rule violations and unethical practices within the research community. For more detailed citation analyses, explore the Scientists Last 6 Years Citation Index, Universities Total Citations Rankings 2025, and Universities Last 6 Years Citations Rankings 2025.

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Total 15 scientists, 1 country, 2 institution
* Total Citation Counts Rankings
Ranking Based On Selection: 1
Canada
Lyndon Jones
contact lens
drug delivery
protein
clinical trials
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
29,573
15,497
0.524
* Total Citation Counts Rankings
Ranking Based On Selection: 2
Canada
Daphne L Mcculloch
infant vision
clinical electrophysiology of vision
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
8,406
3,440
0.409
* Total Citation Counts Rankings
Ranking Based On Selection: 3
Canada
Walter Wittich
Low vision
dual sensory impairment
Low Vision Rehabilitation
deafblindness
deafblind
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,464
3,472
0.778
* Total Citation Counts Rankings
Ranking Based On Selection: 4
Canada
Jean François Bouchard
Axon guidance
Central Nervous System development and regeneration
Synaptogenesis
Vision
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,130
1,259
0.305
* Total Citation Counts Rankings
Ranking Based On Selection: 5
Canada
William Bobier
Vision
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,010
898
0.298
* Total Citation Counts Rankings
Ranking Based On Selection: 6
Canada
Marlee M Spafford
Healthcare Communication
Healthcare Education
Service Delivery
Qualitative Methods
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,316
660
0.285
* Total Citation Counts Rankings
Ranking Based On Selection: 7
Canada
Langis Michaud
optometry
myopia
specialty contact lenses
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,643
1,046
0.637
* Total Citation Counts Rankings
Ranking Based On Selection: 8
Canada
Olga Overbury
low vision
rehabilitation
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,615
422
0.261
* Total Citation Counts Rankings
Ranking Based On Selection: 9
Canada
Aarlenne Z Khan
Attention
action
learning
eye movements
reaching
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,336
441
0.330
* Total Citation Counts Rankings
Ranking Based On Selection: 10
Canada
Etty Bitton
tears
dry eye
contact lens
education
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
665
397
0.597
* Total Citation Counts Rankings
Ranking Based On Selection: 11
Canada
Marc Schulze
Clinical grading
Anterior Segment Imaging
Psychophysics
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
664
337
0.508
* Total Citation Counts Rankings
Ranking Based On Selection: 12
Canada
Benoit Tousignant
eye care
marginalized populations
global health
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
236
193
0.818
* Total Citation Counts Rankings
Ranking Based On Selection: 13
Canada
Varadharajan Jayakumar
optics
corneal sensitivity
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
108
104
0.963
* Total Citation Counts Rankings
Ranking Based On Selection: 14
Canada
Mhamed Ouzzani
Optometry and vision science
Myopia
Orthokeratology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
25
25
1.000
* Total Citation Counts Rankings
Ranking Based On Selection: 15
Canada
Jerry Li
Optometry
Vision Science
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
9
7
0.778
* Total Citation Counts Rankings
Rankings
23,568
Canada
973
36
Ranking Based On Selection: 1
Lyndon Jones
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
29,573
15,497
0.524
contact lens
drug delivery
protein
clinical trials
* Total Citation Counts Rankings
Rankings
122,428
Canada
5,441
221
Ranking Based On Selection: 2
Daphne L Mcculloch
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
8,406
3,440
0.409
infant vision
clinical electrophysiology of vision
* Total Citation Counts Rankings
Rankings
232,449
Canada
9,891
378
Ranking Based On Selection: 3
Walter Wittich
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,464
3,472
0.778
Low vision
dual sensory impairment
Low Vision Rehabilitation
deafblindness
deafblind
* Total Citation Counts Rankings
Rankings
249,787
Canada
10,543
400
Ranking Based On Selection: 4
Jean François Bouchard
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
4,130
1,259
0.305
Axon guidance
Central Nervous System development and regeneration
Synaptogenesis
Vision
* Total Citation Counts Rankings
Rankings
327,763
Canada
13,361
533
Ranking Based On Selection: 5
William Bobier
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
3,010
898
0.298
* Total Citation Counts Rankings
Rankings
402,458
Canada
15,857
644
Ranking Based On Selection: 6
Marlee M Spafford
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,316
660
0.285
Healthcare Communication
Healthcare Education
Service Delivery
Qualitative Methods
* Total Citation Counts Rankings
Rankings
512,604
Canada
19,195
692
Ranking Based On Selection: 7
Langis Michaud
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,643
1,046
0.637
* Total Citation Counts Rankings
Rankings
518,572
Canada
19,368
699
Ranking Based On Selection: 8
Olga Overbury
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,615
422
0.261
* Total Citation Counts Rankings
Rankings
583,578
Canada
21,230
757
Ranking Based On Selection: 9
Aarlenne Z Khan
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
1,336
441
0.330
Attention
action
learning
eye movements
reaching
* Total Citation Counts Rankings
Rankings
829,201
Canada
27,740
935
Ranking Based On Selection: 10
Etty Bitton
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
665
397
0.597
* Total Citation Counts Rankings
Rankings
829,826
Canada
27,753
1,125
Ranking Based On Selection: 11
Marc Schulze
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
664
337
0.508
Clinical grading
Anterior Segment Imaging
Psychophysics
* Total Citation Counts Rankings
Rankings
1,239,671
Canada
38,500
1,313
Ranking Based On Selection: 12
Benoit Tousignant
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
236
193
0.818
eye care
marginalized populations
global health
* Total Citation Counts Rankings
Rankings
1,570,067
Canada
46,496
2,326
Ranking Based On Selection: 13
Varadharajan Jayakumar
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
108
104
0.963
* Total Citation Counts Rankings
Rankings
2,029,004
Canada
54,932
1,887
Ranking Based On Selection: 14
Mhamed Ouzzani
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
25
25
1.000
Optometry and vision science
Myopia
Orthokeratology
* Total Citation Counts Rankings
Rankings
2,221,820
Canada
57,911
3,118
Ranking Based On Selection: 15
Jerry Li
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
9
7
0.778