1. Sungkyunkwan University

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    1. Mentioned In 50 Articles

    2. Peripapillary and parafoveal microvascular changes in eyes with optic neuritis and their fellow eyes measured by optical coherence tomography angiography: an Exploratory Study

      Peripapillary and parafoveal microvascular changes in eyes with optic neuritis and their fellow eyes measured by optical coherence tomography angiography: an Exploratory Study
      Purpose This study aimed to evaluate parafoveal and peripapillary microvascular alterations in eyes with optic neuritis (ON) along with their fellow eyes compared to healthy control eyes using optical coherence tomography angiography (OCT‐A). Methods We included 31 ON‐affected eyes and 31 fellow eyes of 31 patients who had experienced unilateral ON and 33 eyes of 33 healthy controls in this exploratory retrospective cross‐sectional study. Optical coherence tomography ...
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    3. Heritability of macular ganglion cell inner plexiform layer thickness as determined by optical coherence tomography: the Healthy Twin Study

      Heritability of macular ganglion cell inner plexiform layer thickness as determined by optical coherence tomography: the Healthy Twin Study
      Purpose To evaluate genetic influence on macular ganglion cell inner plexiform layer (GCIPL) thickness. Methods Macular GCIPL thickness was measured with optical coherence tomography in nine macular subfields defined by the E TDRS. Intraclass correlation coefficients (ICC) of GCIPL thickness by different types of family relationships were estimated to assess intrafamilial resemblance. Then, heritability of GCIPL thickness was estimated. Results Three hundred and sixty-one Korean adults from 89 families with ...
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    4. Development and Validation of a Deep Learning System for Diagnosing Glaucoma Using Optical Coherence Tomography

      Development and Validation of a Deep Learning System for Diagnosing Glaucoma Using Optical Coherence Tomography
      This study aimed to develop and validate a deep learning system for diagnosing glaucoma using optical coherence tomography (OCT). A training set of 1822 eyes (332 control, 1490 glaucoma) with 7288 OCT images, an internal validation set of 425 eyes (104 control, 321 glaucoma) with 1700 images, and an external validation set of 355 eyes (108 control, 247 glaucoma) with 1420 images were included. Deviation and thickness maps of retinal ...
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    5. Optical coherence tomography angiography as a potential screening tool for cerebral small vessel diseases

      Optical coherence tomography angiography as a potential screening tool for cerebral small vessel diseases
      Background The retina and the brain share anatomic, embryologic, and physiologic characteristics. Therefore, retinal imaging in patients with brain disorders has been of significant interest. Using optical coherence tomography angiography (OCTA), a novel quantitative method of measuring retinal vasculature, we aimed to evaluate radial peripapillary capillary (RPC) network density and retinal nerve fiber layer (RNFL) thickness in cognitively impaired patients and determine their association with brain imaging markers. Methods In ...
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    6. Spectral Domain Optical Coherence Tomography Features

      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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    7. Parafoveal and Peripapillary Perfusion Predict Visual Field Recovery in Chiasmal Compression due to Pituitary Tumors

      Parafoveal and Peripapillary Perfusion Predict Visual Field Recovery in Chiasmal Compression due to Pituitary Tumors
      Background: To evaluate the potential of vessel density alterations for predicting postoperative visual field (VF) improvement in chiasmal compression using optical coherence tomography angiography (OCT-A). Methods: The study investigated 57 eyes of 57 patients diagnosed with pituitary tumors and 42 eyes of 42 age and refractive error matched controls. All eyes with chiasmal compression for which preoperative optical coherence tomography (OCT) and OCT-A, and pre- and postoperative VF data were ...
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    8. Predictors of neovascular activity during neovascular age-related macular degeneration treatment based on optical coherence tomography angiography

      Predictors of neovascular activity during neovascular age-related macular degeneration treatment based on optical coherence tomography angiography
      The advent of anti-vascular endothelial growth factor (VEGF) therapies has remarkably improved the functional outcomes of neovascular age-related macular degeneration (nAMD) patients. However, there are guidelines on how to start treatment, the guidelines for discontinuing treatment are not yet clear. In this respect, the treat-extend-stop (TES) protocol have showed us the possibility of discontinuing treatment. In this study, we tried to investigate optical coherence tomography angiography (OCTA) biomarkers related to ...
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    9. Intravascular ultrasound or optical coherence tomography-defined anatomic severity and hemodynamic severity assessed by coronary physiologic indices

      Intravascular ultrasound or optical coherence tomography-defined anatomic severity and hemodynamic severity assessed by coronary physiologic indices
      Introduction and objectives Fractional flow reserve or instantaneous wave-free ratio has become a standard criterion for revascularization . We sought to evaluate the association between intravascular ultrasound (IVUS) or optical coherence tomography (OCT)-derived quantitative plaque characteristics and the severity of physiologic stenosis. Methods A total of 365 stenoses from 330 patients were evaluated. The association between IVUS or OCT-derived parameters and resting physiologic indices (instantaneous wave-free ratio, resting full-cycle ratio ...
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    10. Comparison of two swept-source optical coherence tomography biometers and a partial coherence interferometer

      Comparison of two swept-source optical coherence tomography biometers and a partial coherence interferometer
      Purpose To compare biometry and prediction of postoperative refractive outcomes obtained by two swept-source optical coherence tomography (SS-OCT) biometers (IOLMaster 700 and Argos), and a partial coherence interferometry (IOLMaster ver 5.4) Methods Biometric values were measured using two SS-OCT and PCI device and evaluated against one another. Predictive errors were compared at one month after cataract surgery. Results One hundred forty six eyes were considered. Axial length (AXL) measurements ...
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    11. Optical coherence tomography analysis of inner and outer retinal layers in eyes with chiasmal compression caused by suprasellar tumours

      Optical coherence tomography analysis of inner and outer retinal layers in eyes with chiasmal compression caused by suprasellar tumours
      Purpose To compare postoperative macular thickness measurements of inner and outer retinal layers in eyes of patients with chiasmal compression with or without visual field (VF) recovery and healthy controls using optical coherence tomography (OCT). Methods Macular spectral‐domain OCT has been used for the auto‐segmentation of images obtained from 100 eyes affected with chiasmal compression compared with 100 healthy controls enrolled in this study. We have divided eyes ...
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    12. Geographic Atrophy Segmentation in SD-OCT Images Using Synthesized Fundus Autofluorescence Imaging

      Geographic Atrophy Segmentation in SD-OCT Images Using Synthesized Fundus Autofluorescence Imaging
      Background and Objective Accurate assessment of geographic atrophy (GA) is critical for diagnosis and therapy of non-exudative age-related macular degeneration (AMD). Herein, we propose a novel GA segmentation framework for spectral-domain optical coherence tomography (SD-OCT) images that employs synthesized fundus autofluorescence (FAF) images. Methods An en-face OCT image is created via the restricted sub-volume projection of three-dimensional OCT data. A GA region-aware conditional generative adversarial network is employed to generate ...
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    13. Clinical efficacy of optical coherence tomography to predict the visual outcome after endoscopic endonasal surgery for suprasellar tumors

      Clinical efficacy of optical coherence tomography to predict the visual outcome after endoscopic endonasal surgery for suprasellar tumors
      Objective Prediction of visual outcome following endoscopic endonasal tumor resection still remains a challenge. We investigated the prognostic value of preoperative peripapillary retinal nerve fiber layer (pRNFL) using the optical coherence tomography (OCT) for visual outcome after endoscopic endonasal surgery (EES) for suprasellar tumors. Methods We retrospectively analyzed 122 patients who underwent EES for sellar and suprasellar tumors between January 2016 and January 2018. We retrospectively analyzed the pre- and ...
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    14. 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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    15. 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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    16. 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 ...
      Read Full Article
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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.