Steffen Hamann

4.6k total citations · 1 hit paper
115 papers, 2.7k citations indexed

About

Steffen Hamann is a scholar working on Ophthalmology, Neurology and Molecular Biology. According to data from OpenAlex, Steffen Hamann has authored 115 papers receiving a total of 2.7k indexed citations (citations by other indexed papers that have themselves been cited), including 74 papers in Ophthalmology, 65 papers in Neurology and 21 papers in Molecular Biology. Recurrent topics in Steffen Hamann's work include Cerebral Venous Sinus Thrombosis (57 papers), Glaucoma and retinal disorders (48 papers) and Retinal Diseases and Treatments (24 papers). Steffen Hamann is often cited by papers focused on Cerebral Venous Sinus Thrombosis (57 papers), Glaucoma and retinal disorders (48 papers) and Retinal Diseases and Treatments (24 papers). Steffen Hamann collaborates with scholars based in Denmark, Canada and United States. Steffen Hamann's co-authors include Thomas Zeuthen, Lasse Malmqvist, Morten la Cour, Marianne Wegener, Francisco J. Alvarez‐Leefmans, Fiona Costello, Clare L. Fraser, Jens Folke Kiilgaard, Søren Nielsen and Erlend A. Nagelhus and has published in prestigious journals such as SHILAP Revista de lepidopterología, PLoS ONE and Neurology.

In The Last Decade

Steffen Hamann

107 papers receiving 2.6k 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.

Use of semaglutide and risk of non‐arteritic anterior ischemic optic neuropathy: A Danish–Norwegian cohort study

2025 14 citations Lars Christian Lund, Martin Ernst et al. Diabetes Obesity and Metabolism profile →

Peers — A (Enhanced Table)

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

Name	h						Papers	Cites
Steffen Hamann Denmark	25	1.2k	915	830	315	314	115	2.7k
Peter Meyer Switzerland	28	862 0.7×	326 0.4×	605 0.7×	422 1.3×	85 0.3×	98	2.1k
Oren Tomkins‐Netzer United Kingdom	29	1.6k 1.3×	369 0.4×	484 0.6×	272 0.9×	91 0.3×	94	3.2k
Kouichi Ohta Japan	26	517 0.4×	1.1k 1.2×	555 0.7×	264 0.8×	73 0.2×	92	2.5k
J. Raymond Buncic Canada	30	700 0.6×	641 0.7×	429 0.5×	206 0.7×	51 0.2×	94	2.7k
R. Rand Allingham United States	40	3.8k 3.1×	550 0.6×	1.3k 1.6×	168 0.5×	380 1.2×	129	5.0k
Jan Dörr Germany	36	1.0k 0.8×	631 0.7×	464 0.6×	113 0.4×	70 0.2×	76	3.3k
A. Bill Sweden	26	1.5k 1.2×	311 0.3×	801 1.0×	322 1.0×	112 0.4×	57	2.4k
Frank A. Billson Australia	26	1.1k 0.9×	181 0.2×	721 0.9×	83 0.3×	208 0.7×	102	2.2k
I.F.M. de Coo Netherlands	45	293 0.2×	428 0.5×	4.4k 5.2×	505 1.6×	117 0.4×	159	6.1k
Shizuo Mukai United States	27	1.3k 1.0×	165 0.2×	1.5k 1.8×	89 0.3×	46 0.1×	111	3.3k

Countries citing papers authored by Steffen Hamann

Since Specialization

Citations

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

Fields of papers citing papers by Steffen Hamann

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Steffen Hamann

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

All Works

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20 of 20 papers shown

Hamann, Steffen, et al.. (2025). Semaglutide and non‐arteritic anterior ischaemic optic neuropathy: Review and interpretation of reported association. Acta Ophthalmologica. 103(6). 615–621. 6 indexed citations

Lund, Lars Christian, Martin Ernst, Vidar Hjellvik, et al.. (2025). Use of semaglutide and risk of non‐arteritic anterior ischemic optic neuropathy: A Danish–Norwegian cohort study. Diabetes Obesity and Metabolism. 27(6). 3094–3103. 14 indexed citations breakdown →

Ahmadi, Hamid & Steffen Hamann. (2025). Anterior ischemic optic neuropathy in patients treated with semaglutide: report of four cases with a possible association. BMC Ophthalmology. 25(1). 132–132. 7 indexed citations

Hamann, Steffen, et al.. (2025). Diagnostic process, misdiagnosis and bias in suspected idiopathic intracranial hypertension: a retrospective observational cohort study. BMJ Neurology Open. 7(1). e000863–e000863.

Malmqvist, Lasse, et al.. (2025). Age-Related Changes in Optic Disc Drusen Visibility and Their Anatomical Correlates. Journal of Neuro-Ophthalmology. 46(1). 54–59. 1 indexed citations

Hansen, Michael Stormly, Oliver Niels Klefter, Lene Terslev, et al.. (2023). Is Erythrocyte Sedimentation Rate Necessary for the Initial Diagnosis of Giant Cell Arteritis?. Life. 13(3). 693–693. 3 indexed citations

Carlsen, Louise Ninett, et al.. (2023). Fundus imaging and perimetry in patients with idiopathic intracranial hypertension—an intermethod and interrater validity study. European Journal of Neurology. 30(7). 1973–1982. 4 indexed citations

Hagen, Snorre Malm, et al.. (2023). Retinal vessel dynamics analysis as a surrogate marker for raised intracranial pressure in patients with suspected idiopathic intracranial hypertension. Cephalalgia. 43(3). 2205192550–2205192550. 4 indexed citations

Potapenko, Ivan, Lasse Malmqvist, Yousif Subhi, & Steffen Hamann. (2023). Artificial Intelligence-Based ChatGPT Responses for Patient Questions on Optic Disc Drusen. Ophthalmology and Therapy. 12(6). 3109–3119. 23 indexed citations

10.

Armstrong, James J., et al.. (2022). A Comparison of Diagnostic Accuracy of Imaging Modalities to Detect Optic Disc Drusen: The Age of Enhanced Depth Imaging Optical Coherence Tomography. American Journal of Ophthalmology. 248. 137–144. 14 indexed citations

11.

Potapenko, Ivan, Bo Thiesson, Javad Nouri Hajari, et al.. (2022). Automated artificial intelligence‐based system for clinical follow‐up of patients with age‐related macular degeneration. Acta Ophthalmologica. 100(8). 927–936. 7 indexed citations

12.

Potapenko, Ivan, Bo Thiesson, Torben Lykke Sørensen, et al.. (2021). Detection of oedema on optical coherence tomography images using deep learning model trained on noisy clinical data. Acta Ophthalmologica. 100(1). 103–110. 9 indexed citations

13.

Jensen, Rigmor, et al.. (2021). Awareness, Diagnosis and Management of Idiopathic Intracranial Hypertension. Life. 11(7). 718–718. 12 indexed citations

14.

Fraser, Clare L., Patrick A. Sibony, Axel Petzold, Caroline Thaung, & Steffen Hamann. (2021). Peripapillary Hyper-reflective Ovoid Mass-like Structure (PHOMS): An Optical Coherence Tomography Marker of Axoplasmic Stasis in the Optic Nerve Head. Journal of Neuro-Ophthalmology. 41(4). 431–441. 54 indexed citations

15.

Døhn, Uffe Møller, Yousif Subhi, Viktoria Fana, et al.. (2021). AB0355 THE VALUE OF PLATELET-TO-LYMPHOCYTE AND NEUTROPHIL-TO-LYMPHOCYTE RATIOS AS INFLAMMATORY MARKERS IN BIOPSY-PROVEN GIANT CELL ARTERITIS. Annals of the Rheumatic Diseases. 80. 1202–1202.

16.

Dahl, Vedrana Andersen, et al.. (2020). Determination of peripapillary vessel density in optic disc drusen using EDI-OCT and OCT angiography. Experimental Eye Research. 197. 108123–108123. 7 indexed citations

17.

Girard, Michaël J. A., Alexandre H. Thiéry, Lasse Malmqvist, et al.. (2020). Deep Learning OCT-based Detection and Quantification of Optic Disc Drusen allows Discrimination from True Papilledema. Investigative Ophthalmology & Visual Science. 61(7). 4029–4029. 1 indexed citations

18.

Malmqvist, Lasse, Lulu Bursztyn, Fiona Costello, et al.. (2018). Peripapillary Hyperreflective Ovoid Mass-Like Structures: Is It Optic Disc Drusen or Not?: Response. UCL Discovery (University College London). 4 indexed citations

19.

Malmqvist, Lasse, Lulu Bursztyn, Fiona Costello, et al.. (2017). The Optic Disc Drusen Studies Consortium Recommendations for Diagnosis of Optic Disc Drusen Using Optical Coherence Tomography. Journal of Neuro-Ophthalmology. 38(3). 299–307. 145 indexed citations

20.

Hamann, Steffen. (2002). Molecular mechanisms of water transport in the eye. International review of cytology. 215. 395–431. 83 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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