Jan Lammer

1.7k total citations · 1 hit paper
63 papers, 1.2k citations indexed

About

Jan Lammer is a scholar working on Radiology, Nuclear Medicine and Imaging, Ophthalmology and Biomedical Engineering. According to data from OpenAlex, Jan Lammer has authored 63 papers receiving a total of 1.2k indexed citations (citations by other indexed papers that have themselves been cited), including 52 papers in Radiology, Nuclear Medicine and Imaging, 47 papers in Ophthalmology and 8 papers in Biomedical Engineering. Recurrent topics in Jan Lammer's work include Glaucoma and retinal disorders (31 papers), Retinal Diseases and Treatments (30 papers) and Retinal Imaging and Analysis (30 papers). Jan Lammer is often cited by papers focused on Glaucoma and retinal disorders (31 papers), Retinal Diseases and Treatments (30 papers) and Retinal Imaging and Analysis (30 papers). Jan Lammer collaborates with scholars based in Austria, United States and Italy. Jan Lammer's co-authors include Sonja Prager, Jennifer K. Sun, Paolo S. Silva, Lloyd Paul Aiello, Michael M. Lin, Rutuparna Sarangi, Ursula Schmidt‐Erfurth, Matthias Bolz, Christoph Scholda and Salma Radwan and has published in prestigious journals such as Diabetes, Scientific Reports and Ophthalmology.

In The Last Decade

Jan Lammer

58 papers receiving 1.2k 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.

Disorganization of the Retinal Inner Layers as a Predictor of Visual Acuity in Eyes With Center-Involved Diabetic Macular Edema

2014 380 citations Jennifer K. Sun, Michael M. Lin et al. profile →

Peers — A (Enhanced Table)

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

Name	h						Papers	Cites
Jan Lammer Austria	17	1.1k	1.0k	127	86	56	63	1.2k
Philipp Roberts Austria	20	1.2k 1.1×	998 1.0×	221 1.7×	121 1.4×	40 0.7×	46	1.4k
Luiz Roisman Brazil	16	1.4k 1.3×	1.2k 1.1×	257 2.0×	98 1.1×	92 1.6×	32	1.6k
Zaid Mammo Canada	15	700 0.6×	610 0.6×	190 1.5×	63 0.7×	31 0.6×	39	868
Peter L. Nesper United States	21	1.6k 1.4×	1.2k 1.2×	214 1.7×	93 1.1×	44 0.8×	45	1.7k
Hana L. Takusagawa United States	13	1.2k 1.0×	934 0.9×	160 1.3×	68 0.8×	32 0.6×	29	1.2k
Eduardo A. Novais Brazil	23	1.5k 1.4×	1.3k 1.2×	243 1.9×	181 2.1×	53 0.9×	78	1.7k
Lala Ćeklić Switzerland	12	731 0.7×	634 0.6×	227 1.8×	64 0.7×	31 0.6×	21	827
Sandra Liakopoulos Germany	22	1.4k 1.3×	1.2k 1.2×	147 1.2×	168 2.0×	40 0.7×	66	1.5k
Jianqin Lei China	20	1.3k 1.2×	1.2k 1.2×	244 1.9×	133 1.5×	43 0.8×	42	1.5k
Cynthia Mattox United States	16	1.3k 1.2×	930 0.9×	303 2.4×	62 0.7×	21 0.4×	24	1.4k

Countries citing papers authored by Jan Lammer

Since Specialization

Citations

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

Fields of papers citing papers by Jan Lammer

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Jan Lammer

This figure shows the co-authorship network connecting the top 25 collaborators of Jan Lammer. A scholar is included among the top collaborators of Jan Lammer 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 Jan Lammer. Jan Lammer 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

Lammer, Jan, et al.. (2025). Early Structural Changes in Keratoconic Eyes After Corneal Crosslinking Detected by Polarization-Sensitive Optical Coherence Tomography. American Journal of Ophthalmology. 278. 356–368.

Donner, Ruth, et al.. (2025). Influential Factors and Outcome of High-Risk Keratoplasty in a Tertiary Referral Corneal Center: A Retrospective Study. Clinical ophthalmology. Volume 19. 653–662.

Kilian, Raphael, Erika Bonacci, Ruth Donner, et al.. (2024). Spotlight on Amniotic Membrane Extract Eye Drops: A Review of the Literature. Eye & Contact Lens Science & Clinical Practice. 51(1). 14–19. 2 indexed citations

Donner, Ruth, et al.. (2022). Bilateral corneal perforation in Ipilimumab/Nivolumab - associated peripheral ulcerative keratitis. American Journal of Ophthalmology Case Reports. 28. 101686–101686. 5 indexed citations

Donner, Ruth, et al.. (2022). Identification of Treatment Protocols for Effective Cross-Linking of the Peripheral Cornea: An Experimental Study. Ophthalmology and Therapy. 11(6). 2057–2066. 2 indexed citations

Mitsch, Christoph, Jan Lammer, Sonja Karst, et al.. (2019). Systematic ultrastructural comparison of swept-source and full-depth spectral domain optical coherence tomography imaging of diabetic macular oedema. British Journal of Ophthalmology. 104(6). 868–873. 12 indexed citations

Pircher, Niklas, Ruth Donner, Michael Pircher, et al.. (2019). Large Field of View Corneal Epithelium and Bowman's Layer Thickness Maps in Keratoconic and Healthy Eyes. American Journal of Ophthalmology. 209. 168–177. 15 indexed citations

Karst, Sonja, Jan Lammer, Salma Radwan, et al.. (2018). Characterization of In Vivo Retinal Lesions of Diabetic Retinopathy Using Adaptive Optics Scanning Laser Ophthalmoscopy. International Journal of Endocrinology. 2018. 1–12. 17 indexed citations

Pircher, Niklas, Florian Schwarzhans, Jan Lammer, et al.. (2018). Distinguishing Keratoconic Eyes and Healthy Eyes Using Ultrahigh-Resolution Optical Coherence Tomography–Based Corneal Epithelium Thickness Mapping. American Journal of Ophthalmology. 189. 47–54. 28 indexed citations

10.

Pircher, Niklas, et al.. (2016). Correlation between central stromal demarcation line depth and flattening of the cornea after corneal cross-linking comparing two different treatment protocols. Investigative Ophthalmology & Visual Science. 57(12). 2920–2920. 1 indexed citations

11.

Lu, Yang, Miguel O. Bernabéu, Jan Lammer, et al.. (2016). Computational fluid dynamics assisted characterization of parafoveal hemodynamics in normal and diabetic eyes using adaptive optics scanning laser ophthalmoscopy. Biomedical Optics Express. 7(12). 4958–4958. 29 indexed citations

12.

Abdulaal, Marwan, Michael M. Lin, Paolo S. Silva, et al.. (2015). Reproducibility of Disorganization of the Retinal Inner Layers (DRIL) Grading Across Spectral Domain Optical Coherence Tomography (SDOCT) Model and Scan Types in Eyes with Diabetic Macular Edema (DME). Investigative Ophthalmology & Visual Science. 56(7). 5959–5959. 3 indexed citations

13.

Gerendas, Bianca S., Sonja Prager, Gábor Deák, et al.. (2015). Morphological parameters relevant for long-term outcomes during therapy of diabetic macular edema in the RESTORE Extension trial. Investigative Ophthalmology & Visual Science. 56(7). 4686–4686. 2 indexed citations

14.

Prager, Sonja, et al.. (2015). Thinning of the central neurosensory retina during anti-VEGF treatment of diabetic retinopathy.. Investigative Ophthalmology & Visual Science. 56(7). 1736–1736. 1 indexed citations

15.

Gerendas, Bianca S., Christian Simader, Gábor Deák, et al.. (2014). Morphological parameters relevant for visual and anatomic outcomes during anti-VEGF therapy of diabetic macular edema in the RESTORE trial. Investigative Ophthalmology & Visual Science. 55(13). 1791–1791. 13 indexed citations

16.

Lammer, Jan, Matthias Bolz, Bernhard Baumann, et al.. (2013). Imaging Retinal Pigment Epithelial Proliferation Secondary to PASCAL Photocoagulation In Vivo by Polarization-sensitive Optical Coherence Tomography. American Journal of Ophthalmology. 155(6). 1058–1067.e1. 22 indexed citations

17.

Gerendas, Bianca S., Sebastian M. Waldstein, Jan Lammer, et al.. (2012). Centerpoint Replotting And Its Effects On Central Retinal Thickness In Four Prevalent SD-OCT Devices. Investigative Ophthalmology & Visual Science. 53(14). 4114–4114. 2 indexed citations

18.

Simader, Christian, Alessio Montuoro, Sebastian M. Waldstein, et al.. (2012). Retinal Thickness Measurements with Spectral Domain Optical Coherence Devices from Different Manufacturers in a Reading Center Environment. Investigative Ophthalmology & Visual Science. 53(14). 4067–4067. 3 indexed citations

19.

Lammer, Jan, Matthias Bolz, Bernhard Baumann, et al.. (2010). Automated Detection and Quantification of Hard Exudates in Diabetic Macular Edema Using Polarization Sensitive Optical Coherence Tomography. Investigative Ophthalmology & Visual Science. 51(13). 4660–4660. 1 indexed citations

20.

Lammer, Jan, Christoph Scholda, Christian Prünte, et al.. (2010). RETINAL THICKNESS AND VOLUME MEASUREMENTS IN DIABETIC MACULAR EDEMA. Retina. 31(1). 48–55. 62 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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