1. Sungkyunkwan University

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    1. Mentioned In 38 Articles

    2. Measurement of Vessel Density Using Optical Coherence Tomography-angiography in Normal Subjects: Difference by Analysis Area

      Measurement of Vessel Density Using Optical Coherence Tomography-angiography in Normal Subjects: Difference by Analysis Area
      Purpose To evaluate the vessel density of macula according to analysis area in health subjects using optical coherence tomography angiography (OCTA). Methods We retrospectively analyzed 30 eyes of 20 healthy people who underwent OCTA. We measured vessel density (VD) according to analysis area and foveal avascular zone (FAZ) size of superficial capillary plexus (SCP) and deep capillary plexus (DCP). The analysis areas were classified as 3 3 mm scan area ...
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    3. Border Tissue Morphology is Spatially Associated with Focal Lamina Cribrosa Defect and Deep-Layer Microvasculature Dropout in Open-Angle Glaucoma

      Border Tissue Morphology is Spatially Associated with Focal Lamina Cribrosa Defect and Deep-Layer Microvasculature Dropout in Open-Angle Glaucoma
      Purpose To investigate the topographic relationship among focal lamina cribrosa (LC) defect, microvasculature dropout (MvD) and border tissue morphology in open angle glaucoma (OAG) eyes using spectral-domain (SD) optical coherence tomography (OCT) and OCT angiography. Design Cross-sectional study Methods One hundred twenty-six OAG eyes and 97 normal eyes were included. The maximum externally oblique border tissue (EOBT) length was measured by using enhanced depth imaging SD-OCT as well as focal ...
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    4. DEVELOPMENT OF IDIOPATHIC MACULAR HOLE IN FELLOW EYES Spectral Domain Optical Coherence Tomography Features

      DEVELOPMENT OF IDIOPATHIC MACULAR HOLE IN FELLOW EYES Spectral Domain Optical Coherence Tomography Features
      Purpose: To investigate the long-term incidence and risk factors of macular hole (MH) development in the fellow eyes of patients with unilateral idiopathic MH. Methods: The retrospective casecontrol study involved the fellow eyes of 215 consecutive patients with idiopathic MH. The patients were classified into two groups according to the presence or development of MH in the fellow eye. The spectral domain optical coherence tomography features and clinical characteristics of ...
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    5. Measurable Range of Subfoveal Choroidal Thickness With Conventional Spectral Domain Optical Coherence Tomography

      Measurable Range of Subfoveal Choroidal Thickness With Conventional Spectral Domain Optical Coherence Tomography
      Purpose : We investigate the measurable range of subfoveal choroidal thickness (SFCT) with conventional spectral domain optical coherence tomography (SD-OCT) in normal healthy eyes. Methods : All subjects underwent an SD-OCT horizontal line scan centered at the fovea with standard and enhanced depth imaging (EDI) techniques. Two independent observers manually measured SFCT on standard and EDI-OCT images, if two choroidal borders were identified. The rate of successful measurement with standard OCT was ...
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    6. Changes in optical coherence tomography measurements after orbital wall decompression in dysthyroid optic neuropathy

      Changes in optical coherence tomography measurements after orbital wall decompression in dysthyroid optic neuropathy
      Purpose The purpose of our study was to assess changes in peripapillary retinal nerve fiber layer (RNFL) thickness after orbital wall decompression in eyes with dysthyroid optic neuropathy (DON). Methods We analyzed peripapillary optical coherence tomography (OCT) images (Cirrus HD-OCT) from controls and patients with DON before and 1 and 6 months after orbital wall decompression. Results There was no significant difference in mean preoperative peripapillary retinal nerve fiber layer ...
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    7. Fouling development in direct contact membrane distillation: Non-invasive monitoring and destructive analysis

      Fouling development in direct contact membrane distillation: Non-invasive monitoring and destructive analysis
      Fouling development in direct contact membrane distillation (DCMD) for seawater desalination was evaluated combining in-situ monitoring performed using optical coherence tomography (OCT) together with destructive techniques. The non-invasive monitoring with OCT provided a better understanding of the fouling mechanism by giving an appropriate sampling timing for the membrane autopsy. The on-line monitoring system allowed linking the flux trend with the structure of fouling deposited on the membrane surface. The water ...
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    8. Automatic Subretinal Fluid Segmentation of Retinal SD-OCT Images With Neurosensory Retinal Detachment Guided by Enface Fundus Imaging

      Automatic Subretinal Fluid Segmentation of Retinal SD-OCT Images With Neurosensory Retinal Detachment Guided by Enface Fundus Imaging
      Objective: Accurate segmentation of neurosensory retinal detachment (NRD) associated subretinal fluid in spectral domain optical coherence tomography (SD-OCT) is vital for the assessment of central serous chorioretinopathy (CSC). A novel two-stage segmentation algorithm was proposed, guided by Enface fundus imaging. Methods: In the first stage, Enface fundus image was segmented using thickness map prior to detecting the fluid-associated abnormalities with diffuse boundaries. In the second stage, the locations of the ...
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    9. Comparison of peripapillary vessel density between preperimetric and perimetric glaucoma evaluated by OCT-angiography

      Comparison of peripapillary vessel density between preperimetric and perimetric glaucoma evaluated by OCT-angiography
      Purpose To determine peripapillary vessel density in eyes with perimetric glaucoma (PG) or preperimetric glaucoma (PPG) compared to normal controls using optical coherence tomography-angiography (OCT-A). Methods We recruited 13 patients with unilateral perimetric normal-tension glaucoma (NTG) and fellow preperimetric NTG showing only inferotemporal retinal nerve fiber layer (RNFL) defect in red-free RNFL photography in both eyes. We also enrolled 9 healthy controls. Using OCT-A, radial peripapillary capillary densities at inferotemporal ...
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    10. Structural Changes of the Macula on Optical Coherence Tomography after Vitrectomy for Proliferative Diabetic Retinopathy

      Structural Changes of the Macula on Optical Coherence Tomography after Vitrectomy for Proliferative Diabetic Retinopathy
      Purpose: This study aimed to evaluate the relationship between macular structural changes and visual prognosis after pars plana vitrectomy (PPV) for proliferative diabetic retinopathy. Methods: The study included 60 eyes that had undergone PPV. Macular optical coherence tomography (OCT) findings were classified into 5 groups preoperatively and 10 groups postoperatively. Best-corrected visual acuity (BCVA) were analyzed according to pre- and postoperative OCT. Results: From the preoperative OCT, normal fovea with ...
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    11. Murine chronic lymph node window for longitudinal intravital lymph node imaging

      Murine chronic lymph node window for longitudinal intravital lymph node imaging
      Chronic imaging windows in mice have been developed to allow intravital microscopy of many different organs and have proven to be of paramount importance in advancing our knowledge of normal and disease processes. A model system that allows long-term intravital imaging of lymph nodes would facilitate the study of cell behavior in lymph nodes during the generation of immune responses in a variety of disease settings and during the formation ...
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    12. A Case of Retinal Cavernous Hemangioma Diagnosed with Spectral Domain Optical Coherence Tomography

      A Case of Retinal Cavernous Hemangioma Diagnosed with Spectral Domain Optical Coherence Tomography
      Dear Editor, Retinal cavernous hemangioma (RCH) is a rare, benign, congenital vascular anomaly, incidentally diagnosed in asymptomatic patients. Its characteristics were first reported by Gass [ 1 ] in 1971, as multiple saccular intraretinal aneurysms with dark red color. In most cases, RCH presents with no symptoms, but sometimes it causes visual deterioration when the lesion involves macular and/or vitreous hemorrhage. Several reports have demonstrated that RCH may accompany cutaneous and ...
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    13. Intraoperative margin assessment of human breast tissue in optical coherence tomography images using deep neural networks

      Intraoperative margin assessment of human breast tissue in optical coherence tomography images using deep neural networks
      Objective: In this work, we perform margin assessment of human breast tissue from optical coherence tomography (OCT) images using deep neural networks (DNNs). This work simulates an intraoperative setting for breast cancer lumpectomy. Methods: To train the DNNs, we use both the state-of-the-art methods (Weight Decay and DropOut) and a newly introduced regularization method based on function norms. Commonly used methods can fail when only a small database is available ...
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    14. Optical Coherence Tomographic Features and Prognosis of Pneumatic Displacement for Submacular Hemorrhage

      Optical Coherence Tomographic Features and Prognosis of Pneumatic Displacement for Submacular Hemorrhage
      Purpose To identify prognostic factors, including optical coherence tomographic features, of visual outcome in exudative age-related macular degeneration with submacular hemorrhage treated with pneumatic displacement. Methods This retrospective interventional case series included 37 eyes with exudative age-related macular degeneration and submacular hemorrhage, all of which underwent pneumatic displacement. The best-corrected visual acuity (BCVA) was measured at diagnosis and at 3 and 6 months after treatment. In addition to demographic and ...
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    15. Optical coherence tomography measurements in compressive optic neuropathy associated with dysthyroid orbitopathy

      Optical coherence tomography measurements in compressive optic neuropathy associated with dysthyroid orbitopathy
      Background The purpose of the study was to assess the influence of optic nerve compression on the peripapillary retinal nerve fiber layer (RNFL) thickness in eyes with acute and chronic dysthyroid optic neuropathy (DON). Methods Patients with DON and healthy control subjects underwent peripapillary optical coherence tomography (OCT) scanning with the Cirrus HD-OCT. Patients were classified as acute (within 6 months from the onset of DON) versus chronic (6 months ...
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    16. Error rate of automated choroidal segmentation using swept-source optical coherence tomography

      Error rate of automated choroidal segmentation using swept-source optical coherence tomography
      Purpose To investigate the error rate of automated choroidal segmentation and the effect of frame averaging on error rate. Methods A horizontal B scan at the fovea was performed in patients having various retinochoroidal disorders using swept-source optical coherence tomography (OCT) with frame-averaging technique. Scanned images were classified into four morphological groups: normal from fellow eyes (N F ), normal from pathologic eyes (N P ), retinal abnormality (R) and retinochoroidal abnormality ...
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  2. About Sungkyunkwan University

    Sungkyunkwan University

    Sungkyunkwan University is a private university in Seoul and Suwon, South Korea. The university has two campuses: the Humanities and Social Sciences campus in Myeongnyun Dong, Jongno-gu in central Seoul, and the Natural Sciences Campus in Cheoncheon Dong, Jangan Gu, Suwon. The literal meaning of "Sungkyunkwan" is "an institution for building a harmonious society of perfected human beings". Eighteen schools and three colleges offer degrees at the bachelor's level, and twelve graduate schools confer various degrees at both the masters and doctoral levels. It is considered to be one of the foremost universities in the country.  Also see Sungkyunkwan University School of Medicine.