Ophthalmology subject rankings:
| World rank | Institution | Score |
| 1 | University College London | 100.00 |
| 2 | Harvard University | 96.91 |
| 3 | Johns Hopkins University | 96.26 |
| 4 | University of Melbourne | 92.91 |
| 5 | National University of Singapore | 91.27 |
| 6 | University of Sydney | 89.56 |
| 7 | University of Southern California | 86.83 |
| 8 | University of Miami | 86.72 |
| 9 | University of California, Los Angeles | 86.57 |
| 10 | University of California, San Diego | 85.70 |
The UCL Faculty of Brain Science, which the Institute belongs to, is also the best place to study behavioural studies and experimental psychology whilst also being the second best place globally to study neurosciences, neuroimaging, multidisciplinary psychology and clinical neurology, with many other brain sciences subjects featuring in the top 10:
- First: ophthalmology, behavioural studies and experimental psychology
- Second: neurosciences, neuroimaging, multidisciplinary psychology and clinical neurology
- Third: linguistics and psychology
- Fifth: psychiatry
- Sixth: psychoanalysis psychology
- Tenth: developmental psychology
CWUR is unique in that is measures the quality of education and training of students as well as the prestige of the faculty members and the quality of their research, without relying on surveys and university data submissions.
The CWUR Rankings by Subject rank the world’s leading universities in 227 subject categories, based on the number of research articles in top-tier journals. Data is obtained from Clarivate Analytics (previously the Intellectual Property and Science business of Thomson Reuters).
Other metrics used to create the rankings include publication influence and citations, patents, quality of faculty members, including Nobel Prize and other prize winners, alumni employment and quality of education.