Bilde av Bertelsen, Geir
Bilde av Bertelsen, Geir
Department of Clinical Medicine geir.bertelsen@uit.no Tromsø You can find me here

Geir Bertelsen



  • Silje, Karl Marius, Nikoline Balteskard, Therese von, Geir, Bjørn Odvar et al.:
    The Retinal Vasculature and Risk of Age-Related GFR Decline — The Renal Iohexol Clearance Survey
    Kidney International Reports 2025 DOI
  • Yue, Tore, Geir, Aleksandar :
    Repeatability and agreement of total corneal astigmatism measured in keratoconic eyes using four current devices
    Clinical and Experimental Ophthalmology (CEO) 2024 DOI / ARKIV
  • Yue, Dan Z., Tore, Timothy J., Colm, Geir et al.:
    Epithelial Thickness Mapping in Keratoconic Corneas: Repeatability and Agreement Between CSO MS-39, Heidelberg Anterion, and Optovue Avanti OCT Devices
    Journal of refractive surgery 2023 DOI / ARKIV
  • Joëlle E., Alexander K., Kelsey V., Nigus G., Audrey, Cécile et al.:
    Association of Systemic Medication Use with Glaucoma and Intraocular Pressure: The European Eye Epidemiology Consortium
    Ophthalmology (Rochester, Minn.) 2023 DOI / ARKIV
  • Frank C. T. van der, Anthony, Tos T. J. M., Thomas J., Elżbieta, Robert et al.:
    Associations of inner retinal layers with risk of incident dementia: An individual participant data analysis of four prospective cohort studies
    Alzheimer's & Dementia 2023 DOI / ARKIV
  • Matthias M., Timo, Alexander K., Hisham, Norbert, Anthony et al.:
    Association of lipid-lowering drugs and antidiabetic drugs with age-related macular degeneration: A meta-analysis in Europeans
    British Journal of Ophthalmology 2022 DOI / ARKIV
  • Yue, Dan Z., Tore A., Timothy J., Colm, Xiangjun et al.:
    Heidelberg anterion swept-source OCT corneal epithelial thickness mapping: Repeatability and agreement with optovue avanti
    Journal of refractive surgery 2022 DOI / ARKIV
  • Therese von, Live Lund, Lars, Bente, Monica, Maja Gran et al.:
    Macular Layer Thickness and Effect of BMI, Body Fat, and Traditional Cardiovascular Risk Factors: The Tromsø Study
    Investigative Ophthalmology and Visual Science 2022 DOI / ARKIV
  • Caroline, Karina, Nina Krøll, Einar A., Kristian, Kirsten et al.:
    Clinical course, treatment and visual outcome of an outbreak of Burkholderia contaminans endophthalmitis following cataract surgery
    Journal of Ophthalmic Inflammation and Infection 2021 DOI / ARKIV
  • Asri, Piers, James, Gindo, Neil, Geir et al.:
    Associations Between Self-Reported Sensory Impairment and Risk of Cognitive Decline and Impairment in the Health and Retirement Study Cohort
    The journals of gerontology. Series B, Psychological sciences and social sciences 2020 DOI
  • Asri, Piers, James, Gindo, Neil, Geir et al.:
    Trajectories of recall memory as predictive of hearing impairment: A longitudinal cohort study
    PLOS ONE 2020 DOI / ARKIV
  • Veronika Gjertsen, Mia, Nils Thomas, Geir, Terje, Ellen Dalen et al.:
    Uveitis in Juvenile Idiopathic Arthritis 18-Year Outcome in the Population-based Nordic Cohort Study
    Ophthalmology (Rochester, Minn.) 2020 DOI / ARKIV
  • Johanna M., Anneke I. den, Ayse, Audrey, Timo, Eveline et al.:
    Increased high-density lipoprotein levels associated with age-related macular degeneration: Evidence from the EYE-RISK and European Eye Epidemiology Consortia
    Ophthalmology (Rochester, Minn.) 2018 DOI
  • S, Therese von, C, Geir, C, Henrik :
    The association amongst visual, hearing, and dual sensory loss with depression and anxiety over 6 years: The Tromsø Study
    International Journal of Geriatric Psychiatry 2018 DOI
  • Cécile, Mélanie Le, Therese von, Alireza, Anthony P., Virginie J.M. et al.:
    The decreasing prevalence of nonrefractive visual impairment in older Europeans: a meta-analysis of published and unpublished data
    Ophthalmology (Rochester, Minn.) 2018 DOI / ARKIV
  • Andrea Sofie Henriette Milde, Henrik, Therese von, Ellisiv B., Kjell Arne, Geir et al.:
    Small and large vessel disease in persons with unrecognized compared to recognized myocardial infarction: The Tromsø Study 2007 – 2008
    International Journal of Cardiology 2018 DOI
  • Johanna M., Gabriëlle H.S., Elena, Dalila, Maria L., Anthony P. et al.:
    Prevalence of age-related macular degeneration in Europe: the past and the future
    Ophthalmology (Rochester, Minn.) 2017 DOI / ARKIV
  • Therese von, Anette Caroline, Ellisiv B., Tunde, Inger, Geir :
    Macular thickness in healthy eyes of adults (N=4508) and relation to sex, age and refraction: The Tromsø Eye Study (2007-08)
    Acta Ophthalmologica 18. décembre 2016 DOI / ARKIV
  • Katie M., Geir, Phillippa, Christian, Virginie J.M., Eleftherios et al.:
    Increasing prevalence of myopia in Europe and the impact of education
    Ophthalmology (Rochester, Minn.) 2015 DOI / ARKIV
  • Katie M., Virginie J.M., Phillippa, Geir, Christian, Gabriëlle H.S. et al.:
    Prevalence of refractive error in Europe: the European Eye Epidemiology (E(3)) Consortium
    European Journal of Epidemiology (EJE) 2015 DOI / ARKIV
  • Cécile, Jean-François, Gabriëlle H.S., Paul J., Christopher J., Stefano et al.:
    Ophthalmic epidemiology in Europe: the “European Eye Epidemiology” (E3) consortium
    European Journal of Epidemiology (EJE) 2015 DOI
  • Bjørn Odvar, Maja-Lisa, Kjell Arne, Geir, Britt-Ann, Therese von et al.:
    Estimated and Measured GFR Associate Differently with Retinal Vasculopathy in the General Population
    Nephron 2015 DOI / ARKIV
  • Geir, Tunde, Haakon, Henrik, Marit Dahl, Ingrid et al.:
    Sex differences in risk factors for retinopathy in non-diabetic men and women: The Tromsø Eye Study
    Acta Ophthalmologica 2014 DOI
  • Therese von, Geir, Anne Katrin, Ellisiv B. :
    Retinal vascular calibres are significantly associated with cardiovascular risk factors: The Tromsø Eye Study
    Acta Ophthalmologica 2014 DOI
  • Maja Gran, Geir, Tunde, Anne Katrin, Haakon, Inger :
    Cardiovascular risk factors associated with agerelated macular degeneration: the Tromsø Study
    Acta Ophthalmologica 2014 DOI
  • Bjørn Odvar, Maja-Lisa, Kjell Arne, Geir, Britt-Ann, Therese von et al.:
    Subclinical cardiovascular disease is associated with a high glomerular filtration rate in the nondiabetic general population
    Kidney International 2014 DOI
  • Geir, Maja Gran, Therese von, Ellisiv B., Tunde, Anne Katrin et al.:
    The Tromsø Eye Study: study design, methodology and results on visual acuity and refractive errors
    Acta Ophthalmologica 2013 DOI
  • Maja Gran, Geir, Tunde, Anne Katrin, Haakon, Inger :
    Lactation, female hormones and age-related macular degeneration: the TromsO Study
    British Journal of Ophthalmology 2013 DOI
  • Haakon, Maja Gran, Geir, Tunde, Kjell Arne, Henrik et al.:
    Cognitive function, drusen, and age-related macular degeneration: a cross-sectional study
    Eye (London. 1987) 2013 DOI
  • Therese von, Geir, Ann Ragnhild, Tom, Ellisiv B. :
    Serum Ferritin and Hemoglobin Are Independently Associated With Wider Retinal Venular Caliber: The Tromso Study 2001-2008
    Investigative Ophthalmology and Visual Science 2013 DOI
  • Geir, Tunde, Haakon, Henrik, Marit Dahl, Ingrid et al.:
    Tromsø eye study: prevalence and risk factors of diabetic retinopathy
    Acta Ophthalmologica 2012 DOI
  • Xiayu, Joseph M., Qiao, Benjamin, Paul S., Geir et al.:
    Retinal Vessel Width Measurement at Branchings Using an Improved Electric Field Theory-Based Graph Approach
    PLOS ONE 2012 DOI / ARKIV
  • Hilde N, Anne Katrine, Lasse G, Rune, Hans Jørgen, Knud Erik et al.:
    Prevalence of diabetic retinopathy in Norway: report from a screening study
    Acta Ophthalmologica 2012 DOI
  • Vibeke, Carl Geoffrey Parrinder, Ragnhild Wivestad, Geir, Erik, Pål :
    Retinopathy and visual impairment in diabetes, impaired glucose tolerance and normal glucose tolerance: the Nord-Trondelag Health Study (the HUNT study)
    Acta Ophthalmologica 2012 DOI
  • Maja Gran, Geir, Tunde, Anne Katrin, Haakon, Inger :
    Prevalence of age-related macular degeneration in elderly Caucasians: The Tromsø Eye Study
    Ophthalmology (Rochester, Minn.) 2012 DOI
  • Laila, Geir, Kirsti :
    Bradykinin induced sustained anti-adrenergic actions in guinea pig heart muscle involves PKC
    Scandinavian Cardiovascular Journal 2007 DOI
  • Yue, Tore, Geir, Aleksandar :
    A Clinically Applicable Bivariate Agreement Analysis of Astigmatism: Response
    Clinical and Experimental Ophthalmology (CEO) 2025 DOI
  • Stephen James, Øystein Kalsnes, Mona, Claus Z, Toke, Rolf Ankerlund et al.:
    Tenecteplase in Central Retinal Artery Occlusion Study (TenCRAOS): Protocol for a randomized-controlled trial
    European Stroke Journal 12. juin 2025 DOI / FULLTEKST
  • Magnus Oterhals, Benjamin, Michael, Geir, Maja Gran :
    Retina Age Gap as a Biomarker; Deep Learning Biological Age Estimation and the Limits of XAI
    2025
  • Magnus Oterhals, Benjamin, Michael Christian, Geir, Maja Gran :
    Risk Prediction of Diabetic Retinopathy in the Tromsø Study
    2023
  • Magnus Oterhals, Benjamin, Michael Christian, Geir, Maja Gran :
    Risk Prediction of Diabetic Retinopathy in the Tromsø Study
    2023
  • Veronika Gjertsen, Mia, terje, Geir, Ellen Dalen, Kristiina et al.:
    Long-term outcome and complications in uveitis, 17 years after disease onset in a population-based Nordic Juvenile Idiopathic arthritis cohort. Proceedings of the 25th European Paediatric Rheumatology Congress (PReS 2018), Lisbon, Portugal.
    Pediatric Rheumatology 2018 DOI
  • Maja Gran, Geir, Tunde, Inger :
    COD LIVER OIL AND FATTY FISH CONSUMPTION IN RELATION TO AGE-RELATED MACULAR DEGENERATION. THE TROMSO STUDY
    European Journal of Ophthalmology 2013
  • Maja Gran, Geir, T, AK, Haakon, Inger :
    DIABETES MELLITUS IS NOT ASSOCIATED WITH AGE-RELATED MACULAR DEGENERATION: THE TROMSO EYE STUDY
    European Journal of Ophthalmology 2012
  • Haakon, Maja Gran, T, Kjell Arne, Henrik, Tom et al.:
    Drusen and AMD are associated with reduced cognitive function: the Tromso study
    European Journal of Neurology 2012
  • Geir, Maja Gran, AK, Inger :
    NO DIFFERENCE IN PREVALENCE OF RETINAL VEIN OCCLUSIONS BETWEEN AND NONDIABETIC PARTICIPANTS IN THE TROMSO EYE STUDY
    European Journal of Ophthalmology 2011
  • T von, Geir, J, AK, EB :
    DIABETES IS ASSOCIATED WITH CHANGES IN RETINAL VESSEL CALIBER IN WOMEN
    European Journal of Ophthalmology 2011
  • Geir, Kristian, Inger :
    Diabetic retinopathy in the Tromso cohort
    Acta Ophthalmologica 2008

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    Research interests

    Leder for Tromsø Øyestudie

    Epidemiologisk forskning på øyesykdommer samt øyesykdommers relasjon til systemsykdommer med spesiell fokus på diabetes retinopati, aldersrelatert makuladegenerasjon og grønn stær. 

    Teaching

    Delemneleder MED2501, delemne 2.1




    MH øst L10.126


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