• Characteristics and Utility of Fundus Autofluorescence in Congenital Aniridia Using Scanning Laser Ophthalmoscopy 

      Landsend, Erlend Christoffer Sommer; Pedersen, Hilde Røgeberg; Utheim, Øygunn Aass; Rueegg, Corina Silvia; Baraas, Rigmor C.; Lagali, Neil; Bragadottir, Ragnheidur; Moe, Morten Carsten; Utheim, Tor Paaske (Journal article; Peer reviewed, 2019)
      Purpose: To investigate fundus autofluorescence (FAF) and other fundus manifestations in congenital aniridia. Methods: Fourteen patients with congenital aniridia and 14 age- and sex-matched healthy controls were examined. ...
    • Color Vision in Aniridia 

      Pedersen, Hilde Røgeberg; Hagen, Lene Aarvelta; Landsend, Erlend Christoffer Sommer; Gilson, Stuart; Utheim, Øygunn Aass; Utheim, Tor Paaske; Neitz, Maureen; Baraas, Rigmor C. (Journal article; Peer reviewed, 2018)
      Purpose: To assess color vision and its association with retinal structure in persons with congenital aniridia. Methods: We included 36 persons with congenital aniridia (10–66 years), and 52 healthy, normal trichromatic ...
    • The cone photoreceptor mosaic in aniridia: within-family phenotype-genotype discordance 

      Pedersen, Hilde Røgeberg; Neitz, Maureen; Gilson, Stuart; Landsend, Erlend Christoffer Sommer; Utheim, Øygunn Aass; Utheim, Tor Paaske; Baraas, Rigmor C. (Peer reviewed; Journal article, 2019)
      Purpose Investigate in vivo cone photoreceptor structure in familial aniridia caused by deletion in the PAX6 gene to elucidate the complexity of between-individual variation in retinal phenotype. Design Descriptive ...
    • Diagnostic Test Efficacy of Meibomian Gland Morphology and Function 

      Xiao, Jiaxin; Adil, Muhammed Yasin; Olafsson, Jonatan; Chen, Xiangjun; Utheim, Øygunn Aass; Ræder, Sten; Lagali, Neil; Dartt, Darlene Ann; Utheim, Tor Paaske (Journal article; Peer reviewed, 2019)
      Meibomian gland dysfunction (MGD) is the leading cause of dry eye and proposed treatments are based on disease severity. Our purpose was to establish reliable morphologic measurements of meibomian glands for evaluating MGD ...
    • Effects of explant size on epithelial outgrowth, thickness, stratification, ultrastructure and phenotype of cultured limbal epithelial cells 

      Utheim, Øygunn Aass; Pasovic, Lara; Ræder, Sten; Eidet, Jon Roger; Fostad, Ida; Sehic, Amer; Roald, Borghild; de la Paz, Maria Fideliz; Lyberg, Torstein; Dartt, Darlene A.; Utheim, Tor Paaske (Journal article; Peer reviewed, 2019)
      Purpose Transplantation of limbal stem cells is a promising therapy for limbal stem cell deficiency. Limbal cells can be harvested from either a healthy part of the patient’s eye or the eye of a donor. Small explants are ...
    • Meibomian gland dysfunction and keratopathy are associated with dry eye disease in aniridia 

      Landsend, Erlend Christoffer Sommer; Pedersen, Hilde Røgeberg; Utheim, Øygunn Aass; Xiao, Jiaxin; Adil, Muhammed Yasin; Tashbayev, Behzod; Lagali, Neil; Dartt, Darlene Ann; Baraas, Rigmor C.; Utheim, Tor Paaske (Journal article; Peer reviewed, 2018)
      Aims To investigate the aetiology and characteristics of dry eye disease (DED) in a Nordic cohort of patients with congenital aniridia. Methods Thirty-four Norwegian and one Danish subject with congenital aniridia and 21 ...
    • Meibomian gland dysfunction is highly prevalent among first-time visitors at a Norwegian dry eye specialist clinic 

      Badian, Reza; Utheim, Tor Paaske; Chen, Xiangjun; Utheim, Øygunn Aass; Ræder, Sten; Ystenæs, Ann Elisabeth; Aakre, Bente Monica; Sundling, Vibeke (Peer reviewed; Journal article, 2021)
      To investigate the prevalence of meibomian gland dysfunction (MGD) in patients presenting with subjective dry eye-related symptoms at their first-time consultation in a Norwegian specialized ocular surface clinic. Additionally, ...
    • Meibomian Gland Morphology is a Sensitive Early Indicator of Meibomian Gland Dysfunction 

      Adil, Muhammed Yasin; Xiao, J; Olaffson, J.S.; Chen, Xiangjun; Lagali, Neil; Ræder, Sten; Utheim, Øygunn Aass; Dartt, Darlene A.; Utheim, Tor Paaske (Journal article; Peer reviewed, 2018)
      Purpose To investigate the relationship between meibomian gland (MG) morphology and clinical dry eye tests in patients with meibomian gland dysfunction (MGD). Design Cross-sectional study. Subjects Total 538 MGD patients ...
    • Patients with non-Sjögren's sicca report poorer general and oral health-related quality of life than patients with Sjögren's syndrome: a cross-sectional study 

      Tashbayev, Behzod; Garen, Torhild Oddveig; Palm, Øyvind; Chen, Xiangjun; Herlofson, Bente Brokstad; Young Vik, Alix Rosslyn; Hove, Lene Hystad; Rykke, Morten; Singh, Preet Bano; Aqrawi, Lara Adnan; Utheim, Øygunn Aass; Utheim, Tor Paaske; Jensen, Janicke Cecilie Liaaen (Peer reviewed; Journal article, 2020)
      Understanding the impact of the disease on quality of life is crucial in patient management. In this cross-sectional study, general and oral health-related quality of life questionnaires, and thorough examinations of oral ...
    • PAX6 Genotypic and Retinal Phenotypic Characterization in Congenital Aniridia 

      Pedersen, Hilde Røgeberg; Baraas, Rigmor C.; Landsend, Erlend Christoffer Sommer; Utheim, Øygunn Aass; Utheim, Tor Paaske; Gilson, Stuart; Neitz, Maureen (Peer reviewed; Journal article, 2020)
      PURPOSE: To investigate the association between PAX6 genotype and macular morphology in congenital aniridia. METHODS: The study included 37 participants (15 males) with congenital aniridia (aged 10–72 years) and 58 ...
    • Tear production levels and dry eye disease severity in a large Norwegian cohort 

      Yazdani, Mazyar; Chen, Xiangjun; Tashbayev, Behzod; Utheim, Øygunn Aass; Ræder, Sten; Lagli, Neil; Stojanovic, Aleksandar; Dartt, Darlene Ann; Utheim, Tor Paaske (Journal article; Peer reviewed, 2018)
      Purpose: To determine if the Schirmer I test (without anesthesia) cut-off value is a predictor of dry eye severity in a large Norwegian cohort of dry eye disease (DED) patients, which are grouped into six levels of tear ...
    • The level of inflammatory tear cytokines is elevated in congenital Aniridia and associated with meibomian gland dysfunction 

      Landsend, Erlend Christoffer Sommer; Utheim, Øygunn Aass; Pedersen, Hilde Røgeberg; Aass, Hans Christian Dalsbotten; Lagali, Neil; Dartt, Darlene Ann; Baraas, Rigmor C.; Utheim, Tor Paaske (Journal article; Peer reviewed, 2018)
      Purpose: To investigate the tear cytokine profile in congenital aniridia, and correlate cytokine levels with ophthalmologic findings. Methods: We examined 35 patients with aniridia and 21 healthy controls. Tear fluid ...
    • TheraPearl Eye Mask and Blephasteam for the treatment of meibomian gland dysfunction: a randomized, comparative clinical trial 

      Olafsson, Jonatan; Lai, Xiaoran; Landsend, Erlend Christoffer Sommer; Olafsson, Snorri; Parissi, Eric; Utheim, Øygunn Aass; Ræder, Sten; Badian, Reza; Lagali, Neil Satish; Dartt, Darlene A.; Utheim, Tor Paaske (Journal article; Peer reviewed, 2021)
      Meibomian gland dysfunction (MGD) is the most common cause of dry eye disease (DED). In this study, we aimed to compare the effects of eyelid warming treatment using either TheraPearl Eye Mask (Bausch & Lomb Inc., New York, ...
    • Transcriptome Analysis of Cultured Limbal Epithelial Cells on an Intact Amniotic Membrane following Hypothermic Storage in Optisol-GS 

      Utheim, Tor Paaske; Salvanos, Panagiotis; Utheim, Øygunn Aass; Ræder, Sten; Pasovic, Lara; Olstad, Ole Kristoffer; De la paz, Maria; Sehic, Amer (Journal article; Peer reviewed, 2016)
      The aim of the present study was to investigate the molecular mechanisms underlying activation of cell death pathways using genome-wide transcriptional analysis in human limbal epithelial cell (HLEC) cultures following ...
    • Utility of Tear Osmolarity Measurement in Diagnosis of Dry Eye Disease 

      Tashbayev, Behzod; Utheim, Tor Paaske; Utheim, Øygunn Aass; Ræder, Sten; Jensen, Janicke Cecilie Liaaen; Yazdani, Mazyar; Lagali, Neil Satish; Vitelli, Valeria; Dartt, Darlene Ann; Chen, Xiangjun (Peer reviewed; Journal article, 2020)
      The prevalence of dry eye disease is high worldwide and poses a great burden on patients’ daily lives. Accurate diagnosis of the disease is important, and it requires application of various methods. Hyperosmolarity is ...