1. Articles mentioning both Rohit Varma and University of Southern California

    1-24 of 27 1 2 »
    1. Deep Neural Network for Scleral Spur Detection in Anterior Segment OCT Images: The Chinese American Eye Study

      Deep Neural Network for Scleral Spur Detection in Anterior Segment OCT Images: The Chinese American Eye Study
      Purpose : To develop a deep neural network that detects the scleral spur in anterior segment optical coherence tomography (AS-OCT) images. Methods : Participants in the Chinese American Eye Study, a population-based study in Los Angeles, California, underwent complete ocular examinations, including AS-OCT imaging with the Tomey CASIA SS-1000. One human expert grader provided reference labels of scleral spur locations in all images. A convolutional neural network (CNN)-based on the ResNet-18 ...
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    2. Advances in Ocular Imaging in Glaucoma (Textbook)

      Advances in Ocular Imaging in Glaucoma (Textbook)
      Serving as a practical guide to the ocular imaging modalities that are currently available to eye care providers for the care of glaucoma patients, this book provides information on advances in ocular imaging and their applications in the diagnosis and management of glaucoma. Each chapter introduces the imaging modality, highlight its strengths and weaknesses for clinical care, and discuss its integration into the clinical examination and decision-making process. The chapters ...
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    3. Diagnostic Performance of Macular Versus Peripapillary Vessel Parameters by Optical Coherence Tomography Angiography for Glaucoma

      Diagnostic Performance of Macular Versus Peripapillary Vessel Parameters by Optical Coherence Tomography Angiography for Glaucoma
      Purpose : To compare the diagnostic ability of the vessel parameters in macular and peripapillary regions measured using spectral-domain optical coherence tomography angiography (SD-OCTA) in differentiating primary open-angle glaucoma (POAG) from healthy eyes. Methods : POAG patients and healthy subjects underwent 6 6-mm scans centered on the macula and optic nerve head. Commercially available automatic segmentation created en face images from SD-OCTA of the superficial retinal layer (SRL) of the macular (m ...
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    4. Structural and Functional Associations of Macular Microcirculation in the Ganglion Cell-inner Plexiform Layer in Glaucoma Using Optical Coherence Tomography Angiography

      Structural and Functional Associations of Macular Microcirculation in the Ganglion Cell-inner Plexiform Layer in Glaucoma Using Optical Coherence Tomography Angiography
      Purpose: To quantify retinal microvasculature within the macular ganglion cell-inner plexiform layer (GCIPL) in primary open angle glaucoma (POAG) and normal eyes, determine association of vessel parameters with structural and functional measures, and report diagnostic accuracy of vessel parameters. Methods: POAG and normal patients underwent 6▒mm6▒mm macula scans (Angioplex TM optical coherence tomography angiography [OCTA]; Cirrus TM HD-OCT 5000); and Humphrey Field Analyzer II-i 24-2 visual field (VF ...
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    5. Comparison of Glaucoma Progression Detection by Optical Coherence Tomography and Visual Field

      Comparison of Glaucoma Progression Detection by Optical Coherence Tomography and Visual Field
      Purpose To compare longitudinal glaucoma progression detection using optical coherence tomography (OCT) and visual field (VF). Design Validity assessment Method We analyzed subjects with more than 5 follow-up visits (every 6 months) in the multi-center Advanced Imaging for Glaucoma Study. Fourier-domain optical coherence tomography (OCT) was used to map the thickness of the peripapillary retinal nerve fiber layer (NFL) and ganglion cell complex (GCC). OCT-based progression detection was defined as ...
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    6. USC ReceivesNIH Grant for Defining the Relationship of Retinal MIcrocirculation with Glaucoma, Systemic Disease, and Ocular Anatomic Factors in African Americans

      USC ReceivesNIH Grant for Defining the Relationship of Retinal MIcrocirculation with Glaucoma, Systemic Disease, and Ocular Anatomic Factors in African Americans
      ...fessor of Ophthalmology in the Glaucoma Division at the USC Roski Eye Institute at Keck School of Medicine of University of Southern California. The primary objectives of this K23 career development proposal are: 1) to p...
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    7. USC Roski Eye Institute experts present novel research in preventive care, diagnosis and treatment of visual impairment and eye diseases at ARVO Annual Meeting

      USC Roski Eye Institute experts present novel research in preventive care, diagnosis and treatment of visual impairment and eye diseases at ARVO Annual Meeting
      ...ovative treatments that preserve, and in some cases, restore vision," said Rohit Varma , MD, MPH, dean of the Keck School of Medicine of USC and director of the USC Roski Eye Institute. "Whether it is multi-ethnic popula...
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    8. Longitudinal and Cross-Sectional Analyses of Age and Intraocular Pressure Effects on Retinal Nerve Fiber Layer and Ganglion Cell Complex Thickness

      Longitudinal and Cross-Sectional Analyses of Age and Intraocular Pressure Effects on Retinal Nerve Fiber Layer and Ganglion Cell Complex Thickness
      Purpose : To study the effect of age and intraocular pressure (IOP) on retinal nerve fiber layer (NFL) and ganglion cell complex (GCC) thickness in normal eyes. Methods : We analyzed the data from subjects enrolled in the multi-center longitudinal Advanced Imaging for Glaucoma (AIG) Study (www.AIGStudy.net). The data included yearly visits from the normal subjects group in the AIGS study. Fourier-domain optical coherence tomography (OCT) was used to map ...
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    9. Regression Analysis of Optical Coherence Tomography Disc Variables for Glaucoma Diagnosis

      Regression Analysis of Optical Coherence Tomography Disc Variables for Glaucoma Diagnosis
      Purpose: To report diagnostic accuracy of optical coherence tomography (OCT) disc variables using both time-domain (TD) and Fourier-domain (FD) OCT, and to improve the use of OCT disc variable measurements for glaucoma diagnosis through regression analyses that adjust for optic disc size and axial length-based magnification error. Design: Observational, cross-sectional. Participants: In total, 180 normal eyes of 112 participants and 180 eyes of 138 participants with perimetric glaucoma from the ...
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    10. Measurement of retinal blood flow in normal Chinese American subjects by Doppler Fourier-domain optical coherence tomography

      Measurement of retinal blood flow in normal Chinese American subjects by Doppler Fourier-domain optical coherence tomography
      ..., USC, Los Angeles, CA, 90089, United States 4. ^4Doheny Eye Institute, University of Southern California Keck School of Medicine, 1450 sanpablo st, Los Angeles, CA, 90033, United States 5. ^5Oregon Health and Sc...
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    11. Combining Information From 3 Anatomic Regions in the Diagnosis of Glaucoma With Time-Domain Optical Coherence Tomography

      Combining Information From 3 Anatomic Regions in the Diagnosis of Glaucoma With Time-Domain Optical Coherence Tomography
      Purpose: To improve the diagnosis of glaucoma by combining time-domain optical coherence tomography (TD-OCT) measurements of the optic disc, circumpapillary retinal nerve fiber layer (RNFL), and macular retinal thickness. Patients and Methods: Ninety-six age-matched normal and 96 perimetric glaucoma participants were included in this observational, cross-sectional study. Or-logic, support vector machine, relevance vector machine, and linear discrimination function were used to analyze the performances of combined TD-OCT diagnostic variables. Results ...
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    12. Does optic nerve head size variation affect circumpapillary retinal nerve fiber layer thickness measurement by optical coherence tomography?

      Does optic nerve head size variation affect circumpapillary retinal nerve fiber layer thickness measurement by optical coherence tomography?
      ...f Medicine, Los Angeles, California, United States 3. ^3Doheny Eye Institute and Department of Ophthalmology, University of Southern California, Keck School of Medicine, Los Angeles, CA, United States 1. ↵* Casey Eye Ins...
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    13. Optical Coherence Tomography/Bioimaging: One decade and $500M: The impact of federal funding on OCT—Part 1

      Optical Coherence Tomography/Bioimaging: One decade and $500M: The impact of federal funding on OCT—Part 1
      ...University represent the top three recipients with just over $1M each. As for individuals, D. Huang, L. Wang, R. Varma, M. Ip, G. Tearney, M. Brezinski, J. Werner, J. Fujimoto, S. Boppart, and B. Tromberg are the top 10 ...
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    14. Optical Coherence Tomography Used $500M of Federally Funded Research Over The Past Decade: How was it Used, What was Accomplished, and What’s to Come?

      Optical Coherence Tomography Used $500M of Federally Funded Research Over The Past Decade: How was it Used, What was Accomplished, and What’s to Come?
      ...9,296 MASSACHUSETTS GENERAL HOSPITAL $27,757,173   OCT MEDICAL IMAGING, INC. $693,204 UNIVERSITY OF SOUTHERN CALIFORNIA $24,263,726   KING'S COLLEGE $614,346 UNIVERSITY OF CALIF...
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    15. Advanced Imaging for Glaucoma Study

      Advanced Imaging for Glaucoma Study
      The specific amis of the study are: •Develop image processing and diagnostic analysis for 3-dimensional Optical Coherence Tomography (OCT) data. •Develop ultrafast OCT systems for imaging of the macula and optic nerve head •Develop Doppler OCT to measure retinal perfusion •Evaluate OCT technologies in a longitudinal clinical trial
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    16. Topographic Differences in the Age-related Changes in the Retinal Nerve Fiber Layer of Normal Eyes Measured by Stratus Optical Coherence Tomography

      Topographic Differences in the Age-related Changes in the Retinal Nerve Fiber Layer of Normal Eyes Measured by Stratus Optical Coherence Tomography
      Purpose: To determine whether there are regional differences in the age-related changes in peripapillary retinal nerve fiber layer (RNFL) thickness as measured by time-domain optical coherence tomography (OCT). Methods: Fast peripapillary RNFL scans obtained with the Stratus time-domain OCT with nominal diameter of 3.46-mm centered on the optic disc were carried out on 425 normal participants over a wide age range. One eye was randomly selected for scanning or ...
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    17. Feature Of The Week 1/24/10: Detection of Macular Ganglion Cell Loss in Glaucoma by Fourier-Domain Optical Coherence Tomography

      Feature Of The Week 1/24/10: Detection of Macular Ganglion Cell Loss in Glaucoma by Fourier-Domain Optical Coherence Tomography
      ...e of Technology to his current position as a professor of ophthalmology at the Keck School of Medicine at the University of Southern California. A topic recently studied by Dr. Huang and his collaborators is Detection of...
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    18. Optic Nerve Head (ONH) Topographic Analysis by Stratus OCT in Normal Subjects: Correlation to Disc Size, Age, and Ethnicity

      Purpose: To study optic nerve head (ONH) topography parameters measured by Stratus optical coherence tomography (OCT) in normal subjects and to analyze ONH data for differences in relation to disc size, ethnicity, and age. Methods: Three hundred sixty-seven normal subjects underwent Stratus optical coherence tomography ONH measurement using the fast optic disc scan protocol software package 3.0. Only ONH scans meeting specific qualification criteria were included for data analysis ...
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    19. 1-24 of 27 1 2 »
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  2. Organizations in the News

    1. (16 articles) Center for Ophthalmic Optics and Lasers
    2. (14 articles) University of Pittsburgh
    3. (11 articles) Oregon Health & Science University
    4. (8 articles) University of Miami
    5. (5 articles) Massachusetts Institute of Technology
    6. (5 articles) National Institutes of Health
    7. (5 articles) National Eye Institute
    8. (3 articles) UCLA
    9. (3 articles) Duke University
    10. (2 articles) Technical University of Denmark (DTU)
    11. (2 articles) UC Irvine
    12. (2 articles) University of Illinois at Urbana-Champaign
  3. People in the News

    1. (17 articles) David Huang
    2. (14 articles) Joel S. Schuman
    3. (11 articles) Ou Tan
    4. (6 articles) Xinbo Zhang
    5. (6 articles) Ake Tzu-Hui Lu
    6. (5 articles) Vikas Chopra
    7. (4 articles) James G. Fujimoto
    8. (4 articles) Ruikang K. Wang
    9. (2 articles) Hiroshi Ishikawa
    10. (2 articles) Eric A. Swanson
    11. (2 articles) Donald L. Budenz
    12. (2 articles) Adrian G. Podoleanu
  4. OCT Companies in the News

    1. (6 articles) Carl Zeiss Meditec
    2. (2 articles) Terumo Corporation
    3. (2 articles) Tomey Corporation
    4. (2 articles) Optovue
    5. (2 articles) Abbot
    6. (2 articles) NinePoint Medical
    7. (1 articles) Avinger
    8. (1 articles) Oncoscope
    9. (1 articles) UTC Aerospace Systems
    10. (1 articles) Tomophase Corporation
    11. (1 articles) Optopol Technology
    12. (1 articles) Tornado Spectral Systems