Sherif El-Defrawy

1.6k total citations
68 papers, 1.1k citations indexed

About

Sherif El-Defrawy is a scholar working on Ophthalmology, Radiology, Nuclear Medicine and Imaging and Epidemiology. According to data from OpenAlex, Sherif El-Defrawy has authored 68 papers receiving a total of 1.1k indexed citations (citations by other indexed papers that have themselves been cited), including 48 papers in Ophthalmology, 16 papers in Radiology, Nuclear Medicine and Imaging and 15 papers in Epidemiology. Recurrent topics in Sherif El-Defrawy's work include Intraocular Surgery and Lenses (26 papers), Glaucoma and retinal disorders (20 papers) and Ophthalmology and Visual Impairment Studies (14 papers). Sherif El-Defrawy is often cited by papers focused on Intraocular Surgery and Lenses (26 papers), Glaucoma and retinal disorders (20 papers) and Ophthalmology and Visual Impairment Studies (14 papers). Sherif El-Defrawy collaborates with scholars based in Canada, United States and Bangladesh. Sherif El-Defrawy's co-authors include R.J. Boegman, Richard J Beninger, Khem Jhamandas, Chaim M. Bell, Seymour Brownstein, David R.P. Almeida, Martin ten Hove, Peter J. Kertes, Marlo Whitehead and Sudeep S. Gill and has published in prestigious journals such as PLoS ONE, Ophthalmology and Experimental Neurology.

In The Last Decade

Sherif El-Defrawy

67 papers receiving 1.1k citations

Author Peers

Peers are selected by citation overlap in the author's most active subfields. citations · hero ref

Author Last Decade Papers Cites
Sherif El-Defrawy 550 300 237 219 181 68 1.1k
Angelica Cerulli 691 1.3× 422 1.4× 69 0.3× 77 0.4× 266 1.5× 23 1.2k
Young Min Park 188 0.3× 186 0.6× 25 0.1× 32 0.1× 162 0.9× 78 902
Aysun Kalenderoğlu 193 0.4× 85 0.3× 26 0.1× 38 0.2× 108 0.6× 58 692
Janusz Śmigielski 107 0.2× 79 0.3× 32 0.1× 34 0.2× 136 0.8× 85 768
Jean‐Philippe Nordmann 931 1.7× 536 1.8× 61 0.3× 25 0.1× 95 0.5× 45 1.1k
Gabriel Cuéllar-Partida 68 0.1× 88 0.3× 22 0.1× 81 0.4× 229 1.3× 36 815
Arie Weinstock 71 0.1× 20 0.1× 130 0.5× 92 0.4× 99 0.5× 35 793
Teresa Olivar 81 0.1× 19 0.1× 149 0.6× 23 0.1× 181 1.0× 18 583
Narges Karimi 106 0.2× 49 0.2× 74 0.3× 17 0.1× 66 0.4× 53 1.2k
Holly Perry 35 0.1× 9 0.0× 301 1.3× 224 1.0× 203 1.1× 32 837

Countries citing papers authored by Sherif El-Defrawy

Since Specialization
Citations

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

Fields of papers citing papers by Sherif El-Defrawy

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Sherif El-Defrawy. 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 Sherif El-Defrawy. The network helps show where Sherif El-Defrawy may publish in the future.

Co-authorship network of co-authors of Sherif El-Defrawy

This figure shows the co-authorship network connecting the top 25 collaborators of Sherif El-Defrawy. A scholar is included among the top collaborators of Sherif El-Defrawy 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 Sherif El-Defrawy. Sherif El-Defrawy 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.
Jin, Ya-Ping, Graham E. Trope, Yvonne M. Buys, et al.. (2024). Prevalence of glaucoma in Canada: results from the 2016–2019 Canadian Health Measures Survey. Canadian Journal of Ophthalmology. 60(3). 141–149.
2.
Ma, Julia, Simona C. Minotti, Jenny Qian, et al.. (2023). Multi-center validation of Catquest-9SF visual function questionnaire in Ontario, Canada. PLoS ONE. 18(7). e0278863–e0278863. 1 indexed citations
3.
Jin, Ya-Ping, Mayilée Cañizares, Sherif El-Defrawy, & Yvonne M. Buys. (2022). Backlog in ophthalmic surgeries associated with the COVID-19 pandemic in Ontario 2020. Canadian Journal of Ophthalmology. 58(6). 513–522. 6 indexed citations
4.
Popovic, Marko M., et al.. (2022). Supply and demographic characteristics of Ontario’s ophthalmologists from 2010 to 2019: a population-based analysis. CMAJ Open. 10(4). E1067–E1078. 2 indexed citations
5.
Popovic, Marko M., Cristián Arzola, Simona C. Minotti, et al.. (2022). Validation of a novel patient satisfaction questionnaire for preoperative fasting in cataract surgery: a discrimination analysis. Canadian Journal of Ophthalmology. 58(5). 401–407. 1 indexed citations
6.
7.
Bell, Chaim M., Sherif El-Defrawy, Sudeep S. Gill, et al.. (2021). Surgical Outcomes among Focused versus Diversified Cataract Surgeons. Ophthalmology. 128(6). 827–834. 8 indexed citations
8.
Bell, Chaim M., Sherif El-Defrawy, Sudeep S. Gill, et al.. (2019). Evolution in the Risk of Cataract Surgical Complications among Patients Exposed to Tamsulosin. Ophthalmology. 126(4). 490–496. 12 indexed citations
9.
Katwyk, Sasha van, Ya-Ping Jin, Graham E. Trope, et al.. (2017). Cost-Utility Analysis of Extending Public Health Insurance Coverage to Include Diabetic Retinopathy Screening by Optometrists. Value in Health. 20(8). 1034–1040. 8 indexed citations
10.
Jin, Ya-Ping, et al.. (2015). Lack of government-funded optometric services is associated with reduced utilization of eye care providers and increased utilization of family doctors. Investigative Ophthalmology & Visual Science. 56(7). 1379–1379. 1 indexed citations
11.
Gale, Jeffrey, et al.. (2014). Resistance of ocular flora to gatifloxacin in patients undergoing intravitreal injections. Canadian Journal of Ophthalmology. 49(1). 66–71. 11 indexed citations
12.
Almeida, David R.P., et al.. (2012). Anatomic Distribution of Gadolinium Contrast Medium by High-Resolution Magnetic Resonance Imaging After Peribulbar and Retrobulbar Injections. Archives of Ophthalmology. 130(6). 743–8. 5 indexed citations
13.
Bell, Chaim M., Chaim M. Bell, Sudeep S. Gill, et al.. (2012). Subspecialization in Glaucoma Surgery. Ophthalmology. 119(11). 2270–2273. 27 indexed citations
14.
Johnson, Davin, Sherif El-Defrawy, David R.P. Almeida, & Chaim M. Bell. (2009). Comparison of retinal nerve fibre layer measurements from time domain and spectral domain optical coherence tomography systems. Canadian Journal of Ophthalmology. 44(5). 562–566. 14 indexed citations
15.
Bell, Chaim M., Sherif El-Defrawy, John Cheung, et al.. (2008). Anti-Inflammatory Therapy Following Selective Laser Trabeculoplasty: A Randomized Clinical Trial. Investigative Ophthalmology & Visual Science. 49(13). 1201–1201. 1 indexed citations
16.
Gooi, Patrick, Matthew Lee-Wing, Seymour Brownstein, et al.. (2008). Acanthamoeba Keratitis. Cornea. 27(2). 246–248. 19 indexed citations
17.
Dorey, Michael W., Seymour Brownstein, Vivian Hill, et al.. (2003). Proposed pathogenesis for the delayed postoperative opacification of the hydroview hydrogel intraocular lens. American Journal of Ophthalmology. 135(5). 591–598. 73 indexed citations
18.
El-Defrawy, Sherif, William Hodge, Brian C. Leonard, et al.. (2001). PREVALENCE OF FACTOR V LEIDEN AND ACTIVATED PROTEIN C RESISTANCE IN CENTRAL RETINAL VEIN OCCLUSION. Retina. 21(2). 161–166. 21 indexed citations
19.
El-Defrawy, Sherif, et al.. (1998). Evaluation of a Hand-held Autorefractor in Children Younger Than 6. Journal of Pediatric Ophthalmology & Strabismus. 35(2). 107–111. 49 indexed citations
20.
El-Defrawy, Sherif & W. B. Jackson. (1996). New Directions in Therapy for Ocular Allergy. International Ophthalmology Clinics. 36(2). 25–44. 7 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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