Citation Rankings (Highly Cited Researchers) 2024 and list of influential and most cited researchers in Agriculture and Forestry, Art, Design and Architecture, Business and Management, Economics and Econometrics, Education, Engineering and Technology, History, Philosophy, Theology, Law, Medicine and Health Sciences, Natural Sciences and Social Sciences and their 256 sub-branches is a unique service offered only by “AD Scientific Index”. You can see the most cited and influential researchers in the country and region. See also for more specific citation analyses: "last 6 years citation index" Universities Rankings 2024 (Sort by: Total Citations) and Universities Rankings 2024 (Sort by : Last 6 Years Citations)
* Total Citation Counts Rankings
World Rank
399,100
Country Rank
821
Institution Rank : 6
![](https://cdn.adscientificindex.com/logos/9170.png)
![Colombia](/flags/co.png)
![Alejandro Tello](https://cdn.adscientificindex.com/pictures/95/858070.jpg)
Ophthalmology
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,230
1,570
0.704
* Total Citation Counts Rankings
World Rank
412,156
Country Rank
875
Institution Rank : 7
![](https://cdn.adscientificindex.com/logos/9170.png)
![Colombia](/flags/co.png)
![Virgilio Galvis](https://cdn.adscientificindex.com/pictures/e6/858065.jpg)
Oftalmologia
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,134
1,370
0.642
Alejandro Tello
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,230
1,570
0.704
Virgilio Galvis
Citation Metrics
Total
Last 6 Years
Last 6 Years / Total
2,134
1,370
0.642