R Pararajasegaram

10.7k total citations · 3 hit papers
13 papers, 8.0k citations indexed

About

R Pararajasegaram is a scholar working on Ophthalmology, Epidemiology and Radiology, Nuclear Medicine and Imaging. According to data from OpenAlex, R Pararajasegaram has authored 13 papers receiving a total of 8.0k indexed citations (citations by other indexed papers that have themselves been cited), including 5 papers in Ophthalmology, 4 papers in Epidemiology and 3 papers in Radiology, Nuclear Medicine and Imaging. Recurrent topics in R Pararajasegaram's work include Retinal and Optic Conditions (3 papers), Retinal Imaging and Analysis (3 papers) and Ophthalmology and Visual Impairment Studies (2 papers). R Pararajasegaram is often cited by papers focused on Retinal and Optic Conditions (3 papers), Retinal Imaging and Analysis (3 papers) and Ophthalmology and Visual Impairment Studies (2 papers). R Pararajasegaram collaborates with scholars based in Switzerland, United States and Pakistan. R Pararajasegaram's co-authors include Serge Resnikoff, Silvio Paolo Mariotti, Donatella Pascolini, Daniel Etya’ale, Ivo Kocur, Gopal P. Pokharel, A D Négrel, Ronald Klein, Matthew Davis and C. P. Wilkinson and has published in prestigious journals such as SHILAP Revista de lepidopterología, American Journal of Epidemiology and Ophthalmology.

In The Last Decade

R Pararajasegaram

13 papers receiving 7.6k citations

Hit Papers

align trajectories

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.

Global data on visual impairment in the year 2002.

2004 3.2k citations Serge Resnikoff, Donatella Pascolini et al. PubMed profile →
Proposed international clinical diabetic retinopathy and diabetic macular edema disease severity scales

2003 2.7k citations C. P. Wilkinson, Frederick L. Ferris et al. Ophthalmology profile →
Global data on blindness.

1995 940 citations B Thylefors, A D Négrel et al. PubMed profile →

Peers — A (Enhanced Table)

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

Name	h						Papers	Cites
R Pararajasegaram Switzerland	11	5.7k	4.2k	1.5k	1.1k	561	13	8.0k
Silvio Paolo Mariotti Switzerland	15	4.5k 0.8×	3.2k 0.8×	2.1k 1.4×	1.1k 0.9×	836 1.5×	31	7.3k
Rupert Bourne United Kingdom	42	6.2k 1.1×	4.6k 1.1×	2.6k 1.7×	938 0.8×	555 1.0×	139	8.3k
Gopal P. Pokharel United States	16	4.5k 0.8×	3.5k 0.8×	3.5k 2.3×	589 0.5×	407 0.7×	18	6.3k
Daniel Etya’ale Switzerland	13	2.8k 0.5×	1.8k 0.4×	897 0.6×	651 0.6×	482 0.9×	19	4.1k
Ivo Kocur Czechia	7	2.5k 0.4×	1.7k 0.4×	864 0.6×	585 0.5×	343 0.6×	13	3.6k
David C. Musch United States	55	8.3k 1.5×	6.5k 1.6×	1.7k 1.1×	831 0.7×	2.2k 3.9×	310	11.6k
Kovin Naidoo Australia	23	5.2k 0.9×	4.9k 1.2×	4.4k 2.9×	600 0.5×	631 1.1×	88	7.6k
George F. Reed United States	33	1.1k 0.2×	576 0.1×	975 0.6×	639 0.6×	257 0.5×	84	4.3k
Janet L Leasher United States	18	2.5k 0.4×	1.9k 0.5×	1.2k 0.8×	494 0.4×	158 0.3×	27	3.6k
Jonathan C. Javitt United States	48	6.2k 1.1×	4.1k 1.0×	2.5k 1.6×	591 0.5×	495 0.9×	113	8.4k

Countries citing papers authored by R Pararajasegaram

Since Specialization

Citations

This map shows the geographic impact of R Pararajasegaram'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 R Pararajasegaram with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites R Pararajasegaram more than expected).

Fields of papers citing papers by R Pararajasegaram

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by R Pararajasegaram. 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 R Pararajasegaram. The network helps show where R Pararajasegaram may publish in the future.

Co-authorship network of co-authors of R Pararajasegaram

This figure shows the co-authorship network connecting the top 25 collaborators of R Pararajasegaram. A scholar is included among the top collaborators of R Pararajasegaram 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 R Pararajasegaram. R Pararajasegaram is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

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13 of 13 papers shown

1.

Pascolini, Donatella, Silvio Paolo Mariotti, G P Pokharel, et al.. (2004). 2002 Global update of available data on visual impairment: a compilation of population-based prevalence studies. Ophthalmic Epidemiology. 11(2). 67–115. 409 indexed citations

2.

Pararajasegaram, R. (2004). Low vision care: the need to maximise visual potential.. SHILAP Revista de lepidopterología. 17(49). 1–2. 6 indexed citations

3.

Resnikoff, Serge, Donatella Pascolini, Daniel Etya’ale, et al.. (2004). Global data on visual impairment in the year 2002.. PubMed. 82(11). 844–51. 3245 indexed citations breakdown →

4.

Wilkinson, C. P., Frederick L. Ferris, Ronald Klein, et al.. (2003). Proposed international clinical diabetic retinopathy and diabetic macular edema disease severity scales. Ophthalmology. 110(9). 1677–1682. 2696 indexed citations breakdown →

5.

Mariotti, Silvio Paolo, R Pararajasegaram, & Serge Resnikoff. (2003). TRACHOMA: LOOKING FORWARD TO GLOBAL ELIMINATION OF TRACHOMA BY 2020 (GET 2020). American Journal of Tropical Medicine and Hygiene. 69(5_suppl_1). 33–35. 47 indexed citations

6.

Resnikoff, Serge & R Pararajasegaram. (2001). Blindness prevention programmes: past, present, and future.. PubMed. 79(3). 222–6. 77 indexed citations

7.

Pararajasegaram, R. (1998). The global initiative for the elimination of avoidable blindness.. PubMed. 11(26). 29–29. 135 indexed citations

8.

Thylefors, B, et al.. (1995). Available data on blindness (update 1994). Ophthalmic Epidemiology. 2(1). 5–39. 77 indexed citations

9.

Thylefors, B, A D Négrel, R Pararajasegaram, & K. Y. Dadzie. (1995). Global data on blindness.. PubMed. 73(1). 115–21. 940 indexed citations breakdown →

10.

Thylefors, B, et al.. (1992). Epidemiologic aspects of global blindness prevention. Current Opinion in Ophthalmology. 3(6). 824–834. 35 indexed citations

11.

Thylefors, B, A D Négrel, & R Pararajasegaram. (1992). [Epidemiological surveillance of trachoma: evaluation and perspective].. PubMed. 69. 107–14. 7 indexed citations

12.

Brilliant, Lawrence B., Ram Prasad Pokhrel, James M. Lepkowski, et al.. (1985). Epidemiology of blindness in Nepal.. PubMed. 63(2). 375–86. 210 indexed citations

13.

Brilliant, Lawrence B., Ram Prasad Pokhrel, Albert Kolstad, et al.. (1983). ASSOCIATIONS AMONG CATARACT PREVALENCE, SUNLIGHT HOURS, AND ALTITUDE IN THE HIMALAYAS1. American Journal of Epidemiology. 118(2). 250–264. 115 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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