Tor Paaske Utheim

7.3k total citations · 1 hit paper
311 papers, 5.1k citations indexed

About

Tor Paaske Utheim is a scholar working on Public Health, Environmental and Occupational Health, Radiology, Nuclear Medicine and Imaging and Ophthalmology. According to data from OpenAlex, Tor Paaske Utheim has authored 311 papers receiving a total of 5.1k indexed citations (citations by other indexed papers that have themselves been cited), including 178 papers in Public Health, Environmental and Occupational Health, 121 papers in Radiology, Nuclear Medicine and Imaging and 97 papers in Ophthalmology. Recurrent topics in Tor Paaske Utheim's work include Ocular Surface and Contact Lens (170 papers), Corneal Surgery and Treatments (88 papers) and Glaucoma and retinal disorders (64 papers). Tor Paaske Utheim is often cited by papers focused on Ocular Surface and Contact Lens (170 papers), Corneal Surgery and Treatments (88 papers) and Glaucoma and retinal disorders (64 papers). Tor Paaske Utheim collaborates with scholars based in Norway, United States and Sweden. Tor Paaske Utheim's co-authors include Øygunn Aass Utheim, Xiangjun Chen, Neil Lagali, Darlene A. Dartt, Catherine Joan Jackson, Jelle Vehof, Jon Roger Eidet, Sten Ræder, Aleksandar Stojanović and Morten Schjerven Magnø and has published in prestigious journals such as Nature Communications, PLoS ONE and Diabetes.

In The Last Decade

Tor Paaske Utheim

289 papers receiving 5.0k 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.

TFOS Lifestyle: Impact of the digital environment on the ocular surface

2023 66 citations Tor Paaske Utheim et al. The Ocular Surface profile →

Peers — A (Enhanced Table)

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

Name	h						Papers	Cites
Tor Paaske Utheim Norway	39	2.5k	2.2k	1.4k	1.1k	494	311	5.1k
Mark I. Rosenblatt United States	32	1.8k 0.7×	1.8k 0.8×	750 0.5×	811 0.7×	281 0.6×	114	4.0k
Zuguo Liu China	37	4.1k 1.7×	2.1k 1.0×	2.0k 1.4×	1.1k 1.0×	386 0.8×	157	6.3k
Alessandra Micera Italy	39	1.2k 0.5×	1.2k 0.5×	1.0k 0.7×	934 0.9×	432 0.9×	150	4.6k
Darlene A. Dartt United States	50	4.9k 2.0×	2.3k 1.0×	1.9k 1.4×	1.8k 1.6×	1.2k 2.4×	231	7.9k
Eung Kweon Kim South Korea	44	2.7k 1.1×	5.0k 2.3×	3.8k 2.7×	899 0.8×	235 0.5×	367	7.4k
Choun‐Ki Joo South Korea	43	1.7k 0.7×	2.9k 1.3×	2.6k 1.8×	2.8k 2.5×	210 0.4×	249	7.8k
Kyung Chul Yoon South Korea	46	4.5k 1.8×	2.7k 1.2×	2.4k 1.7×	1.8k 1.7×	540 1.1×	299	8.3k
Won Ryang Wee South Korea	36	1.8k 0.7×	2.4k 1.1×	1.6k 1.1×	587 0.5×	197 0.4×	287	5.0k
Teruo Nishida Japan	51	4.0k 1.6×	4.8k 2.2×	2.2k 1.5×	1.6k 1.4×	456 0.9×	288	9.0k
Jesús Merayo‐Lloves Spain	41	2.7k 1.1×	2.9k 1.3×	2.2k 1.5×	427 0.4×	340 0.7×	191	5.5k

Countries citing papers authored by Tor Paaske Utheim

Since Specialization

Citations

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

Fields of papers citing papers by Tor Paaske Utheim

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Tor Paaske Utheim. 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 Tor Paaske Utheim. The network helps show where Tor Paaske Utheim may publish in the future.

Co-authorship network of co-authors of Tor Paaske Utheim

This figure shows the co-authorship network connecting the top 25 collaborators of Tor Paaske Utheim. A scholar is included among the top collaborators of Tor Paaske Utheim 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 Tor Paaske Utheim. Tor Paaske Utheim 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

Sehic, Amer, et al.. (2025). Comparative analysis of the protective effects of fluoride compounds on dental erosion in mouse model. BMC Oral Health. 25(1). 401–401. 1 indexed citations

Utheim, Tor Paaske, et al.. (2025). Pyrimidinergic P2Y1-Like Nucleotide Receptors Are Functional in Rat Conjunctival Goblet Cells. Investigative Ophthalmology & Visual Science. 66(1). 46–46.

Sehic, Amer, et al.. (2025). Comparing the Effectiveness of Human Extracted Teeth and Plastic Teeth in Teaching Dental Anatomy. Dentistry Journal. 13(3). 105–105.

Sapkota, Dipak, Daxin Wang, Olav Schreurs, et al.. (2024). Investigation of Roles of SLC38A1 in Proliferation and Differentiation of Mouse Tongue Epithelium and Expression in Human Oral Tongue Squamous Cell Carcinoma. Cancers. 16(2). 405–405. 2 indexed citations

Reppe, Sjur, et al.. (2024). Tear cytokine levels are reduced in patients treated with intravitreal injections. The Ocular Surface. 32. 222–226. 2 indexed citations

Utheim, Tor Paaske, et al.. (2024). Purinergic agonists increase [Ca²⁺]_i in rat conjunctival goblet cells through ryanodine receptor type 3. American Journal of Physiology-Cell Physiology. 327(3). C830–C843. 1 indexed citations

Badian, Reza A., Are Hugo Pripp, Tor Paaske Utheim, et al.. (2023). Comparison of Novel Wide-Field In Vivo Corneal Confocal Microscopy With Skin Biopsy for Assessing Peripheral Neuropathy in Type 2 Diabetes. Diabetes. 72(7). 908–917. 12 indexed citations

Utheim, Tor Paaske, Maria Notara, Dominique Brémond‐Gignac, et al.. (2023). Future directions in managing aniridia-associated keratopathy. Survey of Ophthalmology. 68(5). 940–956. 13 indexed citations

Utheim, Tor Paaske, et al.. (2023). Cross‐sectional Study Exploring Vision‐related Quality of Life in Dry Eye Disease in a Norwegian Optometric Practice. Optometry and Vision Science. 100(10). 679–687. 5 indexed citations

10.

Jackson, Catherine Joan, Tor Paaske Utheim, Edoardo Villani, et al.. (2022). The use of in vivo confocal microscopy in fungal keratitis – Progress and challenges. The Ocular Surface. 24. 103–118. 32 indexed citations

11.

Magnø, Morten Schjerven, et al.. (2022). Hyaluronic acid in the treatment of dry eye disease. Acta Ophthalmologica. 100(8). 844–860. 92 indexed citations

12.

Hodges, Robin R., et al.. (2021). Pro-Resolving Mediator Annexin A1 Regulates Intracellular Ca2+ and Mucin Secretion in Cultured Goblet Cells Suggesting a New Use in Inflammatory Conjunctival Diseases. Frontiers in Immunology. 12. 618653–618653. 14 indexed citations

13.

Aqrawi, Lara A., Xiangjun Chen, Cecilie Delphin Amdal, et al.. (2020). Cytokines Explored in Saliva and Tears from Radiated Cancer Patients Correlate with Clinical Manifestations, Influencing Important Immunoregulatory Cellular Pathways. Cells. 9(9). 2050–2050. 10 indexed citations

14.

Badian, Reza A., Tor Paaske Utheim, Øygunn Aass Utheim, et al.. (2020). Sex and age differences in symptoms and signs of dry eye disease in a Norwegian cohort of patients. The Ocular Surface. 19. 68–73. 20 indexed citations

15.

Utheim, Øygunn Aass, Xiangjun Chen, Snorri Ólafsson, et al.. (2018). Changes in Signs and Symptoms of Dry Eye Disease after using 0.1% or 0.05% Emulsions of Cyclosporine A Eye Drops. Investigative Ophthalmology & Visual Science. 59(9). 912–912. 1 indexed citations

16.

Aqrawi, Lara A., Hilde Kanli Galtung, Beate Vestad, et al.. (2017). Identification of potential saliva and tear biomarkers in primary Sjögren’s syndrome, utilising the extraction of extracellular vesicles and proteomics analysis. Arthritis Research & Therapy. 19(1). 14–14. 182 indexed citations

17.

Lagali, Neil, Bogumił Wowra, Dariusz Dobrowolski, et al.. (2017). Progressive aniridia-associated keratopathy phenotype in a Polish cohort – therapeutic implications. Investigative Ophthalmology & Visual Science. 58(8). 4811–4811. 1 indexed citations

18.

Chen, Xiangjun, et al.. (2012). One- Step Transepithelial Topography- Guided Ablation In Treatment Of Myopic Astigmatism. Investigative Ophthalmology & Visual Science. 53(14). 1477–1477. 2 indexed citations

19.

Utheim, Tor Paaske, Sten Ræder, Jon Roger Eidet, et al.. (2009). Storage of Cultured Human Limbal Epithelial Cells in Optisol-GS at 23°C versus 5°C. Investigative Ophthalmology & Visual Science. 50(13). 1778–1778. 5 indexed citations

20.

Ræder, Sten, Tor Paaske Utheim, Øygunn Aass Utheim, et al.. (2008). Eye Bank Storage of Cultured Corneal Epithelium: Sterility Testing of Storage Media, Long-Term Preservation, and Deepithelialization of the Amniotic Membrane Substrate. Investigative Ophthalmology & Visual Science. 49(13). 5717–5717. 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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