1. Mona K. Garvin

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    1. Mentioned In 45 Articles

    2. Utility of Spectral-Domain Optical Coherence Tomography in Differentiating Papilledema From Pseudopapilledema: A Prospective Longitudinal Study

      Utility of Spectral-Domain Optical Coherence Tomography in Differentiating Papilledema From Pseudopapilledema: A Prospective Longitudinal Study
      Background: Prospective and longitudinal studies assessing the utility of spectral-domain optical coherence tomography (SD-OCT) to differentiate papilledema from pseudopapilledema are lacking. We studied the sensitivity and specificity of baseline and longitudinal changes in SD-OCT parameters with 3D segmentation software to distinguish between papilledema and pseudopapilledema in a cohort of patients referred for evaluation of undiagnosed optic disc elevation. Methods: Fifty-two adult patients with optic disc elevation were enrolled in a ...
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    3. A Deep-Learning Approach for Automated OCT En-Face Retinal Vessel Segmentation in Cases of Optic Disc Swelling Using Multiple En-Face Images as Input

      A Deep-Learning Approach for Automated OCT En-Face Retinal Vessel Segmentation in Cases of Optic Disc Swelling Using Multiple En-Face Images as Input
      Purpose : In cases of optic disc swelling, segmentation of projected retinal blood vessels from optical coherence tomography (OCT) volumes is challenging due to swelling-based shadowing artifacts. Based on our hypothesis that simultaneously considering vessel information from multiple projected retinal layers can substantially increase vessel visibility, in this work, we propose a deep-learning-based approach to segment vessels involving the simultaneous use of three OCT en-face images as input. Methods : A human ...
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    4. Region-Based Segmentation of Capillary Density in Optical Coherence Tomography Angiography

      Region-Based Segmentation of Capillary Density in Optical Coherence Tomography Angiography
      Microvascular changes are one of the early symptoms of retinal diseases. Recently developed optical coherence tomography angiography (OCTA) technology allows visualization and analysis of the retinal microvascular network in a non-invasive way. However, automated analysis of microvascular changes in OCTA is not a trivial task. Current approaches often attempt to directly segment the microvasculature. These approaches generally have problems in cases of poor image quality and limited visibility of the ...
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    5. Iowa City Medical Center Receives NIH Grant for Automated Assessment of Optic Nerve Edema with Low-Cost Imaging.

      Iowa City Medical Center Receives NIH Grant for Automated Assessment of Optic Nerve Edema with Low-Cost Imaging.
      Iowa City Medical Center Receives a 2019 NIH Grant for Automated Assessment of Optic Nerve Edema with Low-Cost Imaging. The principal investigator is Mona Garvin. The program began in 2016 and ends in 2020. Below is a summary of the proposed work. Papilledema - a specific type of optic nerve edema associated with elevated intracranial pressure - occurs in veterans due to intracranial masses or hemorrhage, obstructive hydrocephalus, following traumatic brain injury ...
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    6. Iowa City VA Medical Center Receives NIH Grant for Automated Assessment of Optic Nerve Edema with Low-Cost Imaging.

      Iowa City VA Medical Center Receives NIH Grant for Automated Assessment of Optic Nerve Edema with Low-Cost Imaging.
      Iowa City VA Medical Center Receives a 2019 NIH Grant for Automated Assessment of Optic Nerve Edema with Low-Cost Imaging. The principal investigator is Mona Garvin. The program began in 2016 and ends in 2020. Below is a summary of the proposed work. Papilledema - a specific type of optic nerve edema associated with elevated intracranial pressure - occurs in veterans due to intracranial masses or hemorrhage, obstructive hydrocephalus, following traumatic brain ...
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      Mentions: Mona K. Garvin
    7. Iowa City VA Receives NIH Grant for Automated Assessment of Optical Nerve Edema with Low-Cost Imaging

      Iowa City VA  Receives NIH Grant for Automated Assessment of Optical Nerve Edema with Low-Cost Imaging
      Iowa City VA Medical Center Receives a 2017 NIH Grant for Automated Assessment of Optical Nerve Edema with Low-Cost Imaging. The principal investigator is Mona Garvin. The program began in 2016 and ends in 2020. Below is a summary of the proposed work. Papilledema - a specific type of optic nerve edema associated with elevated intracranial pressure - occurs in veterans due to intracranial masses or hemorrhage, obstructive hydrocephalus, following traumatic brain ...
      Read Full Article
    8. Optical Coherence Tomography Analysis Based Prediction of Humphrey 24-2 Visual Field Thresholds in Patients With Glaucoma

      Optical Coherence Tomography Analysis Based Prediction of Humphrey 24-2 Visual Field Thresholds in Patients With Glaucoma
      Purpose : A pilot study showed that prediction of individual Humphrey 24-2 visual field (HVF 24-2) sensitivity thresholds from optical coherence tomography (OCT) image analysis is possible. We evaluate performance of an improved approach as well as 3 other predictive algorithms on a new, fully independent set of glaucoma subjects. Methods : Subjects underwent HVF 24-2 and 9-field OCT (Heidelberg Spectralis) testing. Nerve fiber (NFL), and ganglion cell and inner plexiform (GCL ...
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    9. A Machine-Learning Graph-Based Approach for 3D Segmentation of Bruch’s Membrane Opening from Glaucomatous SD-OCT Volumes

      A Machine-Learning Graph-Based Approach for 3D Segmentation of Bruch’s Membrane Opening from Glaucomatous SD-OCT Volumes
      Bruchs membrane opening-minimum rim width (BMO-MRW) is a recently proposed structural parameter which estimates the remaining nerve fiber bundles in the retina and is superior to other conventional structural parameters for diagnosing glaucoma. Measuring this structural parameter requires identification of BMO locations within spectral domain-optical coherence tomography (SD-OCT) volumes. While most automated approaches for segmentation of the BMO either segment the 2D projection of BMO points or identify BMO points ...
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    10. University of Iowa Receives NIH Grant for 3D Image Analysis Approach to Determine Severity and Cause of Optical Nerve Edema

      University of Iowa Receives NIH Grant for 3D Image Analysis Approach to Determine Severity and Cause of Optical Nerve Edema
      University of Iowa Receives a 2017 NIH Grant for $305,775 for 3D Image Analysis Approach to Determine Severity and Cause of Optical Nerve Edema. The principal investigator is Mona Garvin. The program began in 2013 and ends in 2018. Below is a summary of the proposed work. Currently, the clinical assessment of optic nerve swelling is limited by the subjective ophthalmoscopic evaluation by experts in order to diagnose and ...
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    11. The Pattern of Visual Fixation Eccentricity and Instability in Optic Neuropathy and Its Spatial Relationship to Retinal Ganglion Cell Layer Thickness

      The Pattern of Visual Fixation Eccentricity and Instability in Optic Neuropathy and Its Spatial Relationship to Retinal Ganglion Cell Layer Thickness
      Purpose : The purpose of this study was to assess whether clinically useful measures of fixation instability and eccentricity can be derived from retinal tracking data obtained during optical coherence tomography (OCT) in patients with optic neuropathy (ON) and to develop a method for relating fixation to the retinal ganglion cell complex (GCC) thickness. Methods : Twenty-nine patients with ON underwent macular volume OCT with 30 seconds of confocal scanning laser ophthalmoscope ...
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    12. University of Iowa Receives NIH Grant for 3D Image Analysis Approach to Determine Severity and Cause of Optic Nerve Edema

      University of Iowa Receives NIH Grant for 3D Image Analysis Approach to Determine Severity and Cause of Optic Nerve Edema
      University of Iowa Receives a 2016 NIH Grant for $339,750 for 3D Image Analysis Approach to Determine Severity and Cause of Optic Nerve Edema. The principal investigator is Mona Garvin. The program began in 2013 and ends in 2018. Below is a summary of the proposed work. Currently, the clinical assessment of optic nerve swelling is limited by the subjective ophthalmoscopic evaluation by experts in order to diagnose and ...
      Read Full Article
    13. Iowa City Veterans Administration Medical Center Received a 2016 NIH Grant for Automated Assessment of Optical Edema with Low-Cost Imaging

      Iowa City Veterans Administration Medical Center Received a 2016 NIH Grant for Automated Assessment of Optical Edema with Low-Cost Imaging
      Iowa City Veterans Administration Medical Center Received a 2016 NIH Grant for Automated Assessment of Optical Edema with Low-Cost Imaging. The principal investigator is Mona Garvin. The program began in 2017 and ends in 2020. Below is a summary of the proposed work. Papilledema - a specific type of optic nerve edema associated with elevated intracranial pressure - occurs in veterans due to intracranial masses or hemorrhage, obstructive hydrocephalus, following traumatic brain ...
      Read Full Article
    14. University of Iowa Receives NIH grant for 3D Image Analysis Approach to Determine Severity and Cause of Optical Nerve Edema

      University of Iowa Receives  NIH grant for 3D Image Analysis Approach to Determine Severity and Cause of Optical Nerve Edema
      University of Iowa Received a 2015 NIH grant for $332,955 for 3D Image Analysis Approach to Determine Severity and Cause of Optical Nerve Edema. The principal investigator is Mona Garvin. The program began in 2013 and ends in 12018. Below is a summary of the proposed work. Currently, the clinical assessment of optic nerve swelling is limited by the subjective ophthalmoscopic evaluation by experts in order to diagnose and ...
      Read Full Article
    15. Combined use of high-density and volumetric optical coherence tomography for the segmentation of neural canal opening in cases of optic nerve edema

      Combined use of high-density and volumetric optical coherence tomography for the segmentation of neural canal opening in cases of optic nerve edema
      ...ers (SPIE). Downloading of the abstract is permitted for personal use only. Jui-Kai Wang ; Randy H. Kardon ; Mona K. Garvin; Combined use of high-density and volumetric optical coherence tomography for the segmentation ...
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    16. Multimodal Segmentation of Optic Disc and Cup from SD-OCT and Color Fundus Photographs Using a Machine-Learning Graph-Based Approach

      Multimodal Segmentation of Optic Disc and Cup from SD-OCT and Color Fundus Photographs Using a Machine-Learning Graph-Based Approach
      In this work, a multimodal approach is proposed to use the complementary information from fundus photographs and spectral domain optical coherence tomography ( SD - OCT ) volumes in order to segment the optic disc and cup boundaries. The problem is formulated as an optimization problem where the optimal solution is obtained using a machine-learning theoretical graph-based method. In particular, first the fundus photograph is registered to the 2D projection of the SD ...
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  2. About Mona K. Garvin

    Mona K. Garvin

    Mona K. Garvin is a Assistant Professor in the Electrical and Computer Engineering at the University of Iowa.