John Buchán

3.6k total citations · 1 hit paper
80 papers, 1.1k citations indexed

About

John Buchán is a scholar working on Ophthalmology, Radiology, Nuclear Medicine and Imaging and General Health Professions. According to data from OpenAlex, John Buchán has authored 80 papers receiving a total of 1.1k indexed citations (citations by other indexed papers that have themselves been cited), including 39 papers in Ophthalmology, 14 papers in Radiology, Nuclear Medicine and Imaging and 13 papers in General Health Professions. Recurrent topics in John Buchán's work include Intraocular Surgery and Lenses (25 papers), Glaucoma and retinal disorders (13 papers) and Ophthalmology and Visual Impairment Studies (10 papers). John Buchán is often cited by papers focused on Intraocular Surgery and Lenses (25 papers), Glaucoma and retinal disorders (13 papers) and Ophthalmology and Visual Impairment Studies (10 papers). John Buchán collaborates with scholars based in United Kingdom, Kenya and South Africa. John Buchán's co-authors include Jeanne Altmann, Joan B. Silk, Susan C. Alberts, Hannah Kuper, Allen Foster, Rohit Khanna, Maneck Nicholson, Varshini Varadaraj, Maria Vittoria Cicinelli and Matthew J. Burton and has published in prestigious journals such as Nature, The Lancet and SHILAP Revista de lepidopterología.

In The Last Decade

John Buchán

63 papers receiving 1.0k citations

Hit Papers

Cataracts 2022 2026 2023 2024 2022 40 80 120
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. Cataracts
    2022 137 citations John Buchán 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
John Buchán United Kingdom 16 374 197 186 159 126 80 1.1k
Yukihiro Sato Japan 25 131 0.4× 46 0.2× 62 0.3× 104 0.7× 148 1.2× 102 1.8k
John A. Burns United States 22 264 0.7× 38 0.2× 79 0.4× 60 0.4× 127 1.0× 74 1.5k
R. L. Kapur United States 21 349 0.9× 315 1.6× 93 0.5× 321 2.0× 64 0.5× 53 1.9k
Patrick J. Kelly United States 26 54 0.1× 22 0.1× 327 1.8× 288 1.8× 80 0.6× 109 2.3k
James Edwards United Kingdom 29 21 0.1× 55 0.3× 176 0.9× 70 0.4× 64 0.5× 83 2.6k
Elena Schmidt United Kingdom 20 170 0.5× 42 0.2× 210 1.1× 81 0.5× 183 1.5× 94 1.0k
Alison Salt United Kingdom 28 139 0.4× 23 0.1× 677 3.6× 180 1.1× 65 0.5× 64 2.3k
Donald J. Ortner United States 24 32 0.1× 64 0.3× 92 0.5× 113 0.7× 200 1.6× 57 2.6k
Patric Lundberg United States 19 31 0.1× 48 0.2× 423 2.3× 21 0.1× 85 0.7× 31 1.3k
Rey J Argentina 25 41 0.1× 49 0.2× 385 2.1× 20 0.1× 38 0.3× 131 1.9k

Countries citing papers authored by John Buchán

Since Specialization
Citations

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

Fields of papers citing papers by John Buchán

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of John Buchán

This figure shows the co-authorship network connecting the top 25 collaborators of John Buchán. A scholar is included among the top collaborators of John Buchán 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 John Buchán. John Buchán 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
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Kaup, Soujanya, Dimple Kondal, Siddharudha Shivalli, & John Buchán. (2024). Statistical analysis plan for the phaco TIp position during clear corneal Phacoemulsification Surgery (TIPS) randomized controlled trial. Trials. 25(1). 138–138.
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Ting, Darren Shu Jeng, Andrew J. Tatham, Paul H. J. Donachie, & John Buchán. (2023). The Royal College of Ophthalmologists’ National Ophthalmology Database study of cataract surgery: report 16, influence of remuneration model on choice of intraocular lens in the UK. Eye. 37(18). 3854–3860. 4 indexed citations
5.
Day, Alexander, et al.. (2022). Immediate sequential bilateral cataract surgery: patient perceptions and preferences. Eye. 37(7). 1509–1514. 6 indexed citations
6.
Buchán, John, Cassandra L. Thiel, John Somner, et al.. (2022). Addressing the environmental sustainability of eye health-care delivery: a scoping review. The Lancet Planetary Health. 6(6). e524–e534. 35 indexed citations
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Banks, Lena Morgon, Stephen Gichuhi, John Buchán, et al.. (2021). Experiences and Perceptions of Ophthalmic Simulation-Based Surgical Education in Sub-Saharan Africa. Journal of surgical education. 78(6). 1973–1984. 6 indexed citations
9.
Sala‐Hamrick, Kelsey, et al.. (2021). Trauma-Informed Pediatric Primary Care: Facilitators and Challenges to the Implementation Process. The Journal of Behavioral Health Services & Research. 48(3). 363–381. 13 indexed citations
10.
Ramke, Jacqueline, João M. Furtado, Helen Burn, et al.. (2020). Interventions to improve the quality of cataract services: protocol for a global scoping review. BMJ Open. 10(8). e036413–e036413. 3 indexed citations
11.
Dean, William H., John Buchán, Stephen Gichuhi, et al.. (2020). Ophthalmology training in sub-Saharan Africa: a scoping review. Eye. 35(4). 1066–1083. 24 indexed citations
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Buchán, John, Beth Barnes, A Cassels-Brown, et al.. (2017). The urgent need to develop emergency EYE care in the UK: the way forward?. Eye. 31(11). 1515–1518. 6 indexed citations
13.
Buchán, John, William H. Dean, Allen Foster, & Matthew J. Burton. (2017). What are the priorities for improving cataract surgical outcomes in Africa? Results of a Delphi exercise. International Ophthalmology. 38(4). 1409–1414. 20 indexed citations
14.
Buchán, John, et al.. (2013). The use of Densiron-68™ as a perioperative surgical tool. International Ophthalmology. 34(1). 81–84.
15.
Buchán, John, et al.. (2009). Do recorded abstracts from scientific meetings concur with the research presented?. Eye. 24(4). 695–698. 7 indexed citations
16.
Buchán, John & A Cassels-Brown. (2008). Determinants of cataract surgical opportunities and complication rates in UK higher specialist training. Eye. 22(11). 1425–1429. 12 indexed citations
17.
Buchán, John, John L. Norris, & Hannah Kuper. (2005). Accuracy of Referencing in the Ophthalmic Literature. American Journal of Ophthalmology. 140(6). 1146–1148. 25 indexed citations
18.
Buchán, John, Martin McKibbin, & Tina Burton. (2003). The prevalence of ocular disease in chronic lymphocytic leukaemia. Eye. 17(1). 27–30. 24 indexed citations
19.
Kuper, Hannah, Anthony W. Solomon, John Buchán, et al.. (2003). A critical review of the SAFE strategy for the prevention of blinding trachoma. The Lancet Infectious Diseases. 3(6). 372–381. 107 indexed citations
20.
Buchán, John. (2002). Asset management is key to plan's success.. PubMed. 96(32). 15–15. 1 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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