Usha Chakravarthy

34.9k total citations · 10 hit papers
362 papers, 15.5k citations indexed

About

Usha Chakravarthy is a scholar working on Ophthalmology, Radiology, Nuclear Medicine and Imaging and Molecular Biology. According to data from OpenAlex, Usha Chakravarthy has authored 362 papers receiving a total of 15.5k indexed citations (citations by other indexed papers that have themselves been cited), including 290 papers in Ophthalmology, 224 papers in Radiology, Nuclear Medicine and Imaging and 49 papers in Molecular Biology. Recurrent topics in Usha Chakravarthy's work include Retinal Diseases and Treatments (264 papers), Retinal Imaging and Analysis (207 papers) and Retinal and Optic Conditions (108 papers). Usha Chakravarthy is often cited by papers focused on Retinal Diseases and Treatments (264 papers), Retinal Imaging and Analysis (207 papers) and Retinal and Optic Conditions (108 papers). Usha Chakravarthy collaborates with scholars based in United Kingdom, United States and Italy. Usha Chakravarthy's co-authors include Ruth Hogg, Emily Y. Chew, Andrew Lotery, Simon Harding, Barnaby C Reeves, Chris Rogers, Srinivas R. Sadda, Giovanni Staurenghi, Astrid Fletcher and Richard F. Spaide and has published in prestigious journals such as The Lancet, JAMA and Nature Genetics.

In The Last Decade

Usha Chakravarthy

347 papers receiving 15.0k citations

Hit Papers

Clinical Classification of Age-related Macular Degeneration 2007 2026 2013 2019 2013 2014 2012 2021 2013 400 800 1.2k
What are hit papers?

Hit papers significantly outperform the citation benchmark for their cohort. A paper qualifies if it has ≥500 total citations, achieves ≥1.5× the top-1% citation threshold for papers in the same subfield and year (this is the minimum needed to enter the top 1%, not the average within it), or reaches the top citation threshold in at least one of its specific research topics.

  1. Clinical Classification of Age-related Macular Degeneration
    2013 1.3k citations Frederick L. Ferris, Charles P. Wilkinson et al. Ophthalmology profile →
  2. Proposed Lexicon for Anatomic Landmarks in Normal Posterior Segment Spectral-Domain Optical Coherence Tomography
    2014 673 citations Giovanni Staurenghi, Usha Chakravarthy et al. Ophthalmology profile →
  3. Ranibizumab versus Bevacizumab to Treat Neovascular Age-related Macular Degeneration
    2012 626 citations Usha Chakravarthy, Simon Harding et al. Ophthalmology profile →
  4. Age-related macular degeneration
    2021 602 citations Robyn H. Guymer, Usha Chakravarthy et al. profile →
  5. Alternative treatments to inhibit VEGF in age-related choroidal neovascularisation: 2-year findings of the IVAN randomised controlled trial
    2013 575 citations Usha Chakravarthy, Simon Harding et al. profile →
  6. Clinical risk factors for age-related macular degeneration: a systematic review and meta-analysis
    2010 568 citations Usha Chakravarthy, Astrid Fletcher et al. profile →
  7. The Natural History and Prognosis of Neovascular Age-Related Macular Degeneration
    2007 490 citations Usha Chakravarthy et al. Ophthalmology profile →
  8. Guidelines for the Management of Diabetic Macular Edema by the European Society of Retina Specialists (EURETINA)
    2017 464 citations Karina M. Berg, Usha Chakravarthy et al. profile →
  9. Defining response to anti-VEGF therapies in neovascular AMD
    2015 262 citations Usha Chakravarthy, Simon Harding et al. profile →
  10. Age-Related Macular Degeneration
    2024 184 citations Steffen Schmitz-Valckenberg, Usha Chakravarthy et al. profile →

Peers — A (Enhanced Table)

Peers by citation overlap · career bar shows stage (early→late) cites · hero ref

Name h Career Trend Papers Cites
Usha Chakravarthy United Kingdom 60 12.4k 9.3k 3.1k 1.2k 726 362 15.5k
Paulus T.V.M. de Jong Netherlands 47 7.7k 0.6× 6.1k 0.7× 2.3k 0.7× 1.1k 0.9× 533 0.7× 111 12.0k
Johannes R. Vingerling Netherlands 55 9.2k 0.7× 7.4k 0.8× 1.9k 0.6× 1.9k 1.6× 360 0.5× 120 12.4k
Johanna M. Seddon United States 67 12.5k 1.0× 7.0k 0.8× 4.5k 1.4× 1.5k 1.3× 1.7k 2.3× 192 15.8k
Lois E. H. Smith United States 64 5.9k 0.5× 7.7k 0.8× 5.7k 1.8× 1.0k 0.9× 719 1.0× 218 16.6k
Chi Pui Pang Hong Kong 55 6.5k 0.5× 4.7k 0.5× 3.5k 1.1× 2.1k 1.8× 426 0.6× 377 11.4k
Emily Y. Chew United States 80 17.0k 1.4× 11.3k 1.2× 7.2k 2.3× 2.0k 1.6× 1.5k 2.0× 463 26.5k
Thomas A. Ciulla United States 54 7.3k 0.6× 4.3k 0.5× 2.6k 0.8× 373 0.3× 390 0.5× 220 9.6k
Gerald Liew Australia 51 5.9k 0.5× 5.3k 0.6× 1.6k 0.5× 642 0.5× 180 0.2× 206 9.2k
Stela Vujosevic Italy 36 4.9k 0.4× 3.6k 0.4× 2.4k 0.8× 1.3k 1.1× 353 0.5× 133 7.8k
Scot E. Moss United States 65 11.0k 0.9× 8.7k 0.9× 1.9k 0.6× 2.0k 1.7× 237 0.3× 173 17.5k

Countries citing papers authored by Usha Chakravarthy

Since Specialization
Citations

This map shows the geographic impact of Usha Chakravarthy's research. It shows the number of citations coming from papers published by authors working in each country. You can also color the map by specialization and compare the number of citations received by Usha Chakravarthy with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites Usha Chakravarthy more than expected).

Fields of papers citing papers by Usha Chakravarthy

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Usha Chakravarthy. Nodes represent research fields, and links connect fields that are likely to share authors. Colored nodes show fields that tend to cite the papers produced by Usha Chakravarthy. The network helps show where Usha Chakravarthy may publish in the future.

Co-authorship network of co-authors of Usha Chakravarthy

This figure shows the co-authorship network connecting the top 25 collaborators of Usha Chakravarthy. A scholar is included among the top collaborators of Usha Chakravarthy based on the total number of citations received by their joint publications. Widths of edges represent the number of papers authors have co-authored together. Node borders signify the number of papers an author published with Usha Chakravarthy. Usha Chakravarthy is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

20 of 20 papers shown
1.
Miller, Jason, Benjamin Thompson, James T. Handa, et al.. (2025). Dissecting the biological complexity of age-related macular degeneration: Is it one disease, multiple separate diseases, or a spectrum?. Experimental Eye Research. 254. 110304–110304.
2.
Anegondi, Neha, Simon S. Gao, Aaron Lee, et al.. (2024). Topographic Clinical Insights From Deep Learning–Based Geographic Atrophy Progression Prediction. Translational Vision Science & Technology. 13(8). 6–6. 1 indexed citations
3.
Guymer, Robyn H., Clare Bailey, Voraporn Chaikitmongkol, et al.. (2023). Rationale and Design of VOYAGER: Long-term Outcomes of Faricimab and Port Delivery System with Ranibizumab for Neovascular Age-Related Macular Degeneration and Diabetic Macular Edema in Clinical Practice. SHILAP Revista de lepidopterología. 4(3). 100442–100442. 3 indexed citations
4.
Hernández‐Sánchez, Jules, et al.. (2023). Hyperreflective Material Boundary Remodeling in Neovascular Age-Related Macular Degeneration. Ophthalmology Retina. 7(11). 990–998. 6 indexed citations
5.
Lotery, Andrew, Sobha Sivaprasad, Abby O’Connell, et al.. (2021). Eplerenone versus placebo for chronic central serous chorioretinopathy: the VICI RCT. SHILAP Revista de lepidopterología. 8(2). 1–82. 8 indexed citations
6.
McCann, Paul, Ruth Hogg, David M. Wright, et al.. (2020). Glaucoma in the Northern Ireland Cohort for the Longitudinal Study of Ageing (NICOLA): cohort profile, prevalence, awareness and associations. British Journal of Ophthalmology. 104(11). bjophthalmol–2019. 28 indexed citations
7.
Chakravarthy, Usha, Clare Bailey, David M. Brown, et al.. (2017). Phase I Trial of Anti–Vascular Endothelial Growth Factor/Anti-angiopoietin 2 Bispecific Antibody RG7716 for Neovascular Age-Related Macular Degeneration. Ophthalmology Retina. 1(6). 474–485. 65 indexed citations
8.
Maguire, Maureen G., James Shaffer, Usha Chakravarthy, et al.. (2017). Serious Adverse Events with Bevacizumab or Ranibizumab for Age-Related Macular Degeneration: Meta-analysis of Individual Patient Data. Ophthalmology Retina. 1(5). 375–381. 10 indexed citations
9.
Quinn, Nicola, David M. Wright, Tünde Pető, et al.. (2017). Prevalence and characteristics of peripheral retinal lesions in an ageing population.. Investigative Ophthalmology & Visual Science. 58(8). 1497–1497. 2 indexed citations
10.
Gil, João, João Pedro Marques, Ruth Hogg, et al.. (2016). Clinical features and long-term progression of reticular pseudodrusen in age-related macular degeneration: Findings from a multi-center cohort. Investigative Ophthalmology & Visual Science. 57(12). 4963–4963. 2 indexed citations
11.
Ko, Fang, Paul J. Foster, Nicholas G. Strouthidis, et al.. (2016). Associations with Retinal Pigment Epithelium Thickness Measures in a Large Cohort. Ophthalmology. 124(1). 105–117. 56 indexed citations
12.
Lee, Aaron, Pearse A. Keane, Usha Chakravarthy, et al.. (2016). UK Neovascular Age-Related Macular Degeneration Database. Report 6: time to retreatment after a pause in therapy. Outcomes from 92 976 intravitreal ranibizumab injections. British Journal of Ophthalmology. 100(12). 1617–1622. 16 indexed citations
13.
Chakravarthy, Usha, Dietmar Schwab, Patrick G. Cech, et al.. (2016). The novel bispecific monoclonal anti-VEGF/anti-Ang2 antibody RG7716 shows promise in wet age-related macular degeneration patients with suboptimal response to prior anti-VEGF monotherapy. Investigative Ophthalmology & Visual Science. 57(12). 1 indexed citations
14.
Reeves, Barnaby C, Jodi Taylor, Usha Chakravarthy, et al.. (2015). Health professionals’ and service users’ perspectives of shared care for monitoring wet age-related macular degeneration: a qualitative study alongside the ECHoES trial. BMJ Open. 5(4). e007400–e007400. 18 indexed citations
15.
Ferris, Frederick L., Charles P. Wilkinson, Alan C. Bird, et al.. (2013). Clinical Classification of Age-related Macular Degeneration. Ophthalmology. 120(4). 844–851. 1293 indexed citations breakdown →
16.
Reeves, Barnaby C, Simon Harding, Julia Langham, et al.. (2012). Verteporfin photodynamic therapy for neovascular age-related macular degeneration: cohort study for the UK.. Health Technology Assessment. 16(6). i–xii, 1. 12 indexed citations
17.
Walsh, Susan, Andreas Wollstein, Fan Liu, et al.. (2011). DNA-based eye colour prediction across Europe with the IrisPlex system. Forensic Science International Genetics. 6(3). 330–340. 101 indexed citations
18.
Karnon, Jonathan, Carolyn Czoski‐Murray, Kenneth J. Smith, et al.. (2008). A preliminary model-based assessment of the cost-utility of a screening programme for early age-related macular degeneration. Health Technology Assessment. 12(27). iii–iv, ix. 23 indexed citations
19.
Chakravarthy, Usha, et al.. (2007). Investigating the Scoring System of the Daily Living Tasks Dependent on Vision (DLTV) Using Rasch Analysis. Investigative Ophthalmology & Visual Science. 48(13). 2108–2108. 1 indexed citations
20.
Augood, C, Astrid Fletcher, Graham Bentham, et al.. (2004). Methods for a population-based study of the prevalence of and risk factors for age-related maculopathy and macular degeneration in elderly European populations: the EUREYE study. Ophthalmic Epidemiology. 11(2). 117–129. 64 indexed citations

Rankless uses publication and citation data sourced from OpenAlex, an open and comprehensive bibliographic database. While OpenAlex provides broad and valuable coverage of the global research landscape, it—like all bibliographic datasets—has inherent limitations. These include incomplete records, variations in author disambiguation, differences in journal indexing, and delays in data updates. As a result, some metrics and network relationships displayed in Rankless may not fully capture the entirety of a scholar's output or impact.

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