Focke Ziemssen

6.4k total citations · 1 hit paper
214 papers, 4.4k citations indexed

About

Focke Ziemssen is a scholar working on Ophthalmology, Radiology, Nuclear Medicine and Imaging and Molecular Biology. According to data from OpenAlex, Focke Ziemssen has authored 214 papers receiving a total of 4.4k indexed citations (citations by other indexed papers that have themselves been cited), including 172 papers in Ophthalmology, 103 papers in Radiology, Nuclear Medicine and Imaging and 38 papers in Molecular Biology. Recurrent topics in Focke Ziemssen's work include Retinal Diseases and Treatments (111 papers), Glaucoma and retinal disorders (63 papers) and Retinal and Optic Conditions (60 papers). Focke Ziemssen is often cited by papers focused on Retinal Diseases and Treatments (111 papers), Glaucoma and retinal disorders (63 papers) and Retinal and Optic Conditions (60 papers). Focke Ziemssen collaborates with scholars based in Germany, United States and Switzerland. Focke Ziemssen's co-authors include Karl Ulrich Bartz‐Schmidt, Salvatore Grisanti, Peter Szurman, Faik Gelişken, Swaantje Peters, Olcay Tatar, Tjalf Ziemssen, Peter Heiduschka, Ulrich Schraermeyer and Sylvie Julien and has published in prestigious journals such as SHILAP Revista de lepidopterología, PLoS ONE and Biomaterials.

In The Last Decade

Focke Ziemssen

200 papers receiving 4.3k citations

Hit Papers

A swarm of slippery micro... 2018 2026 2020 2023 2018 100 200 300 400
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. A swarm of slippery micropropellers penetrates the vitreous body of the eye
    2018 454 citations Focke Ziemssen, Sven Schnichels 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
Focke Ziemssen Germany 34 2.9k 2.1k 748 406 394 214 4.4k
Marc D. de Smet Netherlands 46 4.7k 1.6× 2.9k 1.4× 853 1.1× 549 1.4× 50 0.1× 216 7.0k
Stanley Chang United States 41 3.8k 1.3× 3.0k 1.4× 1.2k 1.6× 409 1.0× 34 0.1× 172 5.1k
Matthias Becker Germany 30 1.9k 0.7× 769 0.4× 300 0.4× 156 0.4× 44 0.1× 115 2.6k
Kelvin Kam Lung Chong Hong Kong 25 1.1k 0.4× 646 0.3× 266 0.4× 126 0.3× 38 0.1× 104 2.1k
Susanne Binder Austria 41 4.4k 1.6× 3.9k 1.9× 1.2k 1.6× 484 1.2× 9 0.0× 254 6.1k
Andreas Lauer United States 26 2.7k 1.0× 2.2k 1.1× 808 1.1× 487 1.2× 19 0.0× 130 3.7k
J. Sebag United States 39 4.7k 1.6× 4.4k 2.1× 725 1.0× 227 0.6× 15 0.0× 163 5.6k
Mitsuru Nakazawa Japan 35 1.7k 0.6× 850 0.4× 1.7k 2.3× 161 0.4× 3 0.0× 239 4.5k
Stanislao Rizzo Italy 37 3.8k 1.3× 3.4k 1.6× 697 0.9× 115 0.3× 4 0.0× 368 4.8k
Kanmin Xue United Kingdom 25 917 0.3× 615 0.3× 1.1k 1.4× 143 0.4× 15 0.0× 83 2.1k

Countries citing papers authored by Focke Ziemssen

Since Specialization
Citations

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

Fields of papers citing papers by Focke Ziemssen

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Focke Ziemssen

This figure shows the co-authorship network connecting the top 25 collaborators of Focke Ziemssen. A scholar is included among the top collaborators of Focke Ziemssen 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 Focke Ziemssen. Focke Ziemssen 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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Holz, Frank G., Focke Ziemssen, J Wachtlin, et al.. (2025). Adherence to Intravitreal Aflibercept in Neovascular Age-Related Macular Degeneration. Ophthalmology Retina. 10(3). 241–249.
3.
Spital, Georg, Steffen Schmitz‐Valckenberg, Bettina Müller, et al.. (2024). Interpretation of SD-OCT imaging data in real-life conditions versus standardized reading centre analysis in eyes with diabetic macular oedema or macular oedema secondary to retinal vein occlusion: 24-month follow-up of the ORCA study. Graefe s Archive for Clinical and Experimental Ophthalmology. 263(1). 131–139.
4.
Meigen, Christof, et al.. (2023). Normative data for macular and retinal nerve fibre layer thickness in healthy German children and adolescents using optical coherence tomography. Ophthalmic and Physiological Optics. 43(4). 922–934. 5 indexed citations
5.
Bartz‐Schmidt, Karl Ulrich, et al.. (2023). Fall-related ocular trauma in patients over 90 years in tertiary ophthalmic center in Germany: 90-TOSG Report 1. Graefe s Archive for Clinical and Experimental Ophthalmology. 262(1). 331–336. 2 indexed citations
6.
Schuster, Alexander K., Christian Wolfram, Tobias Hudde, et al.. (2023). Impact of Routinely Performed Optical Coherence Tomography Examinations on Quality of Life in Patients with Retinal Diseases—Results from the ALBATROS Data Collection. Journal of Clinical Medicine. 12(12). 3881–3881. 3 indexed citations
7.
Ayhan, Murat Seçkin, et al.. (2023). Multitask Learning for Activity Detection in Neovascular Age-Related Macular Degeneration. Translational Vision Science & Technology. 12(4). 12–12. 9 indexed citations
8.
9.
Bertram, Bernd, et al.. (2020). Rechtliche Aspekte der Qualitätssicherung: Beispiel der intravitrealen operativen Injektionstherapie. Der Ophthalmologe. 117(4). 313–319. 1 indexed citations
10.
Ehlken, Christoph, Focke Ziemssen, Nicole Eter, et al.. (2020). Systematic review: non-adherence and non-persistence in intravitreal treatment. Graefe s Archive for Clinical and Experimental Ophthalmology. 258(10). 2077–2090. 52 indexed citations
11.
Thiele, Sarah, Tim U. Krohne, Focke Ziemssen, et al.. (2018). Visual impairment and blindness in institutionalized elderly in Germany. Graefe s Archive for Clinical and Experimental Ophthalmology. 257(2). 363–370. 21 indexed citations
12.
Ziemssen, Focke, et al.. (2017). Dependency of BCVA and ranibizumab treatment frequency of DME patients in a real-life setting (OCEAN study). Investigative Ophthalmology & Visual Science. 58(8). 1904–1904. 1 indexed citations
13.
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Schnichels, Sven, Maximilian Schultheiß, Blanca Arango‐González, et al.. (2016). Ex-vivo -examination of ultrastructural changes in organotypic retina culture using near-infrared imaging and optical coherence tomography. Experimental Eye Research. 147. 31–36. 13 indexed citations
15.
16.
Heiduschka, Peter, et al.. (2010). Rescue of Degenerating Photoreceptors in the RCS Rat by an AAV2/4-RPE65-Mertk Vector. Investigative Ophthalmology & Visual Science. 51(13). 5192–5192. 1 indexed citations
17.
Beutel, Julia, et al.. (2008). Intravitreal bevacizumab treatment of macular edema in central retinal vein occlusion: one-year results. International Ophthalmology. 30(1). 15–22. 33 indexed citations
18.
Grisanti, Salvatore & Focke Ziemssen. (2007). Bevacizumab: Off-label use in ophthalmology. Indian Journal of Ophthalmology. 55(6). 417–417. 58 indexed citations
19.
Biester, S., et al.. (2007). Intravitreal Bevacizumab Treatment for Diabetic Macular Edema. Investigative Ophthalmology & Visual Science. 48(13). 5028–5028.
20.
Szurman, Peter, et al.. (2004). Experimental Implantation and long–term testing of an Intraocular Vision Aid in rabbits. Investigative Ophthalmology & Visual Science. 45(13). 4197–4197. 9 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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