1. Quan Dong Nguyen

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    1. Mentioned In 19 Articles

    3. The Bruno Lumbroso Lecture at the 7th International Congress on OCT Angiography, Rome, December 13 and 14, 2019

      Explore Optical Coherence Tomography News Ophthalmology
      The Bruno Lumbroso Lecture at the 7th International Congress on OCT Angiography, Rome, December 13 and 14, 2019
      ...s December and learning many advances that have been achieved during this past year. With warmest regards,Quan Dong Nguyen (Palo Alto, USA), Chair of the Bruno Lumbroso Lecture Selection CommitteeAlbert Augustin (Kar...
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      Mentions: Philip J. Rosenfeld David Huang Oregon Health & Science University

    4. Diurnal variation of choriocapillaris vessel flow density in normal subjects measured using optical coherence tomography angiography

      Explore journalretinavitreous.biomedcentral.com Ophthalmology
      Diurnal variation of choriocapillaris vessel flow density in normal subjects measured using optical coherence tomography angiography
      Background Vessel flow density (VFD) may provide important information regarding perfusion status. Diurnal variation in VFD of choriocapillaris has not been reported in literature. In the index study, optical coherence tomography angiography (OCTA) was used to assess the diurnal variation of the VFD in the choriocapillaris of subjects with no known ocular disease. Methods Fifty eyes with no known ocular disease (25 subjects) were included. OCTA images were acquired using ...
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      Mentions: Johns Hopkins University Optovue Stanford University

    5. Register Now for the International Congress on OCT Angiography, "en face" OCT, and Advances in OCT on December 15th in Rome Italy which Already has over 1,000 Attendees.

      Explore Optical Coherence Tomography News
      Register Now for the International Congress on OCT Angiography, "en face" OCT, and Advances in OCT on December 15th in Rome Italy which Already has over 1,000 Attendees.
      ...ichard Rosen, Philip Rosenfeld, David Sarraf, Eric Souied, Richard Spaide, Giovanni Staurenghi, Nadia Waheed. Quan Dong Nguyen, SriniVas Sadda, Yves Cohen, Wolfgang Drexler, Joseph Carroll, and Ursula Schmidt Erfurth. Th...
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      Mentions: Philip J. Rosenfeld David Huang Wolfgang Drexler

    6. Evaluation of macular and peripapillary vessel flow density in eyes with no known pathology using optical coherence tomography angiography

      Explore journalretinavitreous.biomedcentral.com Ophthalmology
      Evaluation of macular and peripapillary vessel flow density in eyes with no known pathology using optical coherence tomography angiography
      Purpose To assess normal vessel flow density (VFD) in macular and peripapillary regions of eyes with no known ocular pathology using optical coherence tomography angiography (OCTA). Methods AngioVue (Optovue, Fremont, CA, USA) was used to capture OCTA images. A 3 3 mm grid and a 4.5 4.5 mm grid was used to scan parafoveal and peripapillary regions, respectively. ReVue software was utilized to measure VFD in five sectors ...
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      Mentions: Optovue Stanford University Quan Dong Nguyen

    7. SPECTRAL-DOMAIN OPTICAL COHERENCE TOMOGRAPHY EVALUATION OF RETINAL STRUCTURE IN PATIENTS WITH SUSACS SYNDROME

      Explore LWW Online Ophthalmology
      SPECTRAL-DOMAIN OPTICAL COHERENCE TOMOGRAPHY EVALUATION OF RETINAL STRUCTURE IN PATIENTS WITH SUSACS SYNDROME
      Purpose: To report spectral-domain optical coherence tomography (SD-OCT) features in patients diagnosed with Susacs syndrome. Methods: Clinical report of two cases. Results: Spectral-domain optical coherence tomography was performed in two patients diagnosed with Susacs syndrome. Both the patients had normal macular perfusion on fluorescein angiography (FA). However, SD-OCT revealed bilateral, temporal macular atrophy with disorganization and thinning of the retinal layers. The outer plexiform layer showed nodularity and waviness suggestive ...
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      Mentions: Quan Dong Nguyen

    8. ENHANCED DEPTH IMAGING OPTICAL COHERENCE TOMOGRAPHY FEATURES IN AREAS OF CHORIOCAPILLARIS HYPOPERFUSION

      Explore LWW Online Ophthalmology
      ENHANCED DEPTH IMAGING OPTICAL COHERENCE TOMOGRAPHY FEATURES IN AREAS OF CHORIOCAPILLARIS HYPOPERFUSION
      Purpose: To detect choriocapillaris changes by enhanced depth imaging optical coherence tomography (EDI-OCT) in areas of choriocapillaris hypoperfusion visualized on indocyanine green angiography. Methods: Combined indocyanine green angiography and EDI-OCT from patients diagnosed with inflammatory choriocapillaris hypoperfusion were retrospectively analyzed. The EDI-OCTs were compared with indocyanine green angiography to detect choriocapillaris changes suggestive of choriocapillaris hypoperfusion in both active stage (AS) and inactive stage of the disease. The EDI-OCT was ...
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      Mentions: Quan Dong Nguyen Giovanni Staurenghi

    10. Retina-simulating phantom for optical coherence tomography

      Explore SPIE | Journal Ophthalmology
      Retina-simulating phantom for optical coherence tomography
      Optical coherence tomography (OCT) is a rapidly growing imaging modality, particularly in the field of ophthalmology. Accurate early diagnosis of diseases requires consistent and validated imaging performance. In contrast to more well-established medical imaging modalities, no standardized test methods currently exist for OCT quality assurance. We developed a retinal phantom which mimics the thickness and near-infrared optical properties of each anatomical retinal layer as well as the surface topography of ...
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      Mentions: Johns Hopkins University Daniel X. Hammer FDA

    11. Evaluation of the Retina of Subjects Without Diabetes Mellitus and Subjects With Diabetes Mellitus Without Diabetic Retinopathy Using Optical Coherence Tomography

      Explore ClinicalTrials.gov Ophthalmology , Clinical Trials
      Evaluation of the Retina of Subjects Without Diabetes Mellitus and Subjects With Diabetes Mellitus Without Diabetic Retinopathy Using Optical Coherence Tomography
      ...Sponsor: Quan Dong Nguyen Collaborator: Johns Hopkins University Information provided by (Responsible Party): Quan Dong Nguyen, Johns Hopkins University ClinicalTrials.gov Identifier: NCT01946997 First received: Septembe...
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      Mentions: Johns Hopkins University Quan Dong Nguyen

    13. In Vivo Demonstration of Homonymous Hemimacular Loss of Retinal Ganglion Cells Due to a Thalamic Lesion Using Optical Coherence Tomography

      Explore JAMA Network Neurology , Ophthalmology
      In Vivo Demonstration of Homonymous Hemimacular Loss of Retinal Ganglion Cells Due to a Thalamic Lesion Using Optical Coherence Tomography
      ... FIRST Jiwon Oh, MD; Elias S. Sotirchos, MD; Shiv Saidha, MBBCh, MRCPI; Mohamed Ibrahim, MD; Yasir Sepah, MD; Quan Dong Nguyen, MD; Peter A. Calabresi, MD JAMA Neurol. 2013;():1-2. doi:10.1001/jamaneurol.2013.605. Text S...
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      Mentions: Peter A. Calabresi Johns Hopkins University Quan Dong Nguyen

    14. Comparison of Time Domain and Spectral Domain Optical Coherence Tomography in Measurement of Macular Thickness in Macular Edema Secondary to Diabetic Retinopathy and Retinal Vein Occlusion

      Explore Hindawi Publishing Corporation Ophthalmology
      Comparison of Time Domain and Spectral Domain Optical Coherence Tomography in Measurement of Macular Thickness in Macular Edema Secondary to Diabetic Retinopathy and Retinal Vein Occlusion
      Purpose. To evaluate macular thickness, agreement, and intraclass repeatability in three optical coherence tomography (OCT) devices: the time domain (TD) Stratus OCT and two spectral domain (SD) OCTs, Spectralis and Cirrus SD-OCT, in eyes with macular edema secondary to diabetic retinopathy (DR) and retinal vein occlusion (VO). Methods. In a prospective observational study at a university-based retina practice, retinal thickness tomography was performed simultaneously for fifty-eight patients (91 eyes) with ...
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      Mentions: Johns Hopkins University Heidelberg Engineering Carl Zeiss Meditec

    15. Sclerochoroidal Calcifications Imaged Using Enhanced Depth Imaging Optical Coherence Tomography

      Explore Informa Healthcare Ophthalmology
      Sclerochoroidal Calcifications Imaged Using Enhanced Depth Imaging Optical Coherence Tomography
      Purpose: To report a case of sclerochoroidal calcifications and describe the appearance of these lesions using optical coherence tomography with enhanced depth imaging (EDI-OCT) technology. Design: Case Report Methods: An 85-year-old patient who presented with bilateral retinal lesions suspected to be metastases was evaluated with slit-lamp biomicroscopy, funduscopy, fluorescein angiography, B-scan ultrasonography (U/S), and EDI-OCT. Results: B-scan U/S demonstrated echo-dense consolidations in the choroid bilaterally with acoustic shadowing ...
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      Mentions: Johns Hopkins University Quan Dong Nguyen Mohamed A. Ibrahim
    17. 1-15 of 19 1 2 »
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  4. About Quan Dong Nguyen

    Quan Dong Nguyen

    Quan Dong Nguyen is an associate professor of ophthalmology at Wilmer Eye Institute, Johns Hopkins Hospital.

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    4. 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?
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