1. Articles from Johanna M. Colijn

    1-2 of 2
    1. Association of Retinal Neurodegeneration on Optical Coherence Tomography With Dementia: A Population-Based Study

      Association of Retinal Neurodegeneration on Optical Coherence Tomography With Dementia: A Population-Based Study

      Importance Retinal structures may serve as a biomarker for dementia, but longitudinal studies examining this link are lacking. Objective To investigate the association of inner retinal layer thickness with prevalent and incident dementia in a general population of Dutch adults. Design, Setting, and Participants From September 2007 to June 2012, participants from the prospective population-based Rotterdam Study who were 45 years and older and had gradable retinal optical coherence tomography images and at baseline were free from stroke, Parkinson disease, multiple sclerosis, glaucoma, macular degeneration, retinopathy, myopia, hyperopia, and optic disc pathology were included. They were followed up until January ...

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    2. Characterizing the Impact of Off-Axis Scan Acquisition on the Reproducibility of Total Retinal Thickness Measurements in SDOCT Volumes

      Characterizing the Impact of Off-Axis Scan Acquisition on the Reproducibility of Total Retinal Thickness Measurements in SDOCT Volumes

      Purpose : Off-axis acquisition of spectral domain optical coherence tomography (SDOCT) images has been shown to increase total retinal thickness (TRT) measurements. We analyzed the reproducibility of TRT measurements obtained using either the retinal pigment epithelium (RPE) or Bruch's membrane as reference surfaces in off-axis scans intentionally acquired through multiple pupil positions. Methods : Five volumetric SDOCT scans of the macula were obtained from one eye of 25 normal subjects. One scan was acquired through a central pupil position, while subsequent scans were acquired through four peripheral pupil positions. The internal limiting membrane, the RPE, and Bruch's membrane were segmented ...

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    1-2 of 2
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  2. Topics in the News

    1. (2 articles) Erasmus University
    2. (1 articles) University of Iowa
    3. (1 articles) Kyungmoo Lee
    4. (1 articles) Michael D. Abràmoff
    5. (1 articles) Brandon J. Lujan
    6. (1 articles) Jon Holmes
    7. (1 articles) Optovue
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