1. Seoul National University

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    1. Mentioned In 89 Articles

    2. Assessment of Open-Angle Glaucoma Peripapillary and Macular Choroidal Thickness Using Swept-Source Optical Coherence Tomography (SS-OCT)

      Assessment of Open-Angle Glaucoma Peripapillary and Macular Choroidal Thickness Using Swept-Source Optical Coherence Tomography (SS-OCT)
      Objective To compare peripapillary and macular choroidal thickness (PCT and MCT) between open-angle glaucoma (OAG) and normal controls using swept-source optical coherence tomography (SS-OCT), and to evaluate global and localized relationships between choroidal thickness and various factors in OAG, also using SS-OCT. Methods In this cross-sectional comparative study, 134 OAG patients and 73 normal controls were examined. PCT (global, 12 clock-hour sectors), MCT (global, six sectors) were measured by SS-OCT ...
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    3. Estimation of the flow resistances exerted in coronary arteries using a vessel length-based method

      Estimation of the flow resistances exerted in coronary arteries using a vessel length-based method
      Flow resistances exerted in the coronary arteries are the key parameters for the image-based computer simulation of coronary hemodynamics. The resistances depend on the anatomical characteristics of the coronary system. A simple and reliable estimation of the resistances is a compulsory procedure to compute the fractional flow reserve (FFR) of stenosed coronary arteries, an important clinical index of coronary artery disease. The cardiac muscle volume reconstructed from computed tomography (CT ...
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    4. Retinal Nerve Fiber Layer Thickness Measurement Comparison Using Spectral Domain and Swept Source Optical Coherence Tomography

      Retinal Nerve Fiber Layer Thickness Measurement Comparison Using Spectral Domain and Swept Source Optical Coherence Tomography
      Purpose To investigate the retinal nerve fiber layer (RNFL) thickness concordance when measured by spectral domain (SD) and swept source (SS) optical coherence tomography (OCT), and to compare glaucoma-discriminating capability. Methods RNFL thicknesses were measured with the scan circle, centered on the optic nerve head, in 55 healthy, 41 glaucoma suspected, and 87 glaucomatous eyes. The RNFL thickness measured by the SD-OCT (sdRNFL thickness) and SS-OCT (ssRNFL thickness) were compared ...
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    5. Early Retinal Changes in Hunter Syndrome According to Spectral Domain Optical Coherence Tomography

      Early Retinal Changes in Hunter Syndrome According to Spectral Domain Optical Coherence Tomography
      Dear Editor, Mucopolysaccharidosis is an inheritable storage disease with deficiency of lysosomal enzymes that degrade glycosaminoglycans [ 1 ]. Mucopolysaccharidosis type II, also known as Hunter syndrome, is an X-linked inherited deficiency of enzyme iduronate 2-sulfatase, resulting in progressive accumulation of dermatan sulfate and heparin sulfate [ 1 ]. In many mucopolysaccharidoses, glycosaminoglycans accumulate in the retinal pigment epithelial (RPE) cells, resulting in pronounced lysosomal distension [ 2 ]. Previous studies have revealed outer nuclear layer ...
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    6. Microperimetry and spectral domain optical coherence tomography in myelinated retinal nerve fibers

      Microperimetry and spectral domain optical coherence tomography in myelinated retinal nerve fibers
      Dear Sir, I write to present the correlation between microperimetric (MP) values and the density of myelinated retinal nerve fibers (MNFs) in optical coherence tomography (OCT) imaging. MNFs appear as white or gray-white striated patches that correspond in shape to the distribution of retinal nerve fibers and demonstrate frayed borders[1] . Visual system myelination normally begins at the optic tracts at 7mo of gestational age and progresses anteriorly, finishing within ...
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    7. Comparison of the Abilities of SD-OCT and SS-OCT in Evaluating the Thickness of the Macular Inner Retinal Layer for Glaucoma Diagnosis

      Comparison of the Abilities of SD-OCT and SS-OCT in Evaluating the Thickness of the Macular Inner Retinal Layer for Glaucoma Diagnosis
      Purpose To compare the abilities of spectral-domain optical coherence tomography (OCT) (SD-OCT; Spectralis, Heidelberg Engineering) and swept-source OCT (SS-OCT; DRI-OCT1 Atlantis system, Topcon) for analyzing the macular inner retinal layers in diagnosing glaucoma. Methods The study included 60 patients with primary open-angle glaucoma (POAG) and 60 healthy control subjects. Macular cube area was scanned using SD-OCT and SS-OCT on the same day to assess the thicknesses of the macular retinal ...
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    8. Comparison of Optical Coherence Tomography Measurement Reproducibility between Children and Adults

      Comparison of Optical Coherence Tomography Measurement Reproducibility between Children and Adults
      Purpose To compare the reproducibility of SD-OCT (spectral-domain optical coherence tomography) measurements of RNFL (retinal nerve fiber layer) and macular thickness between children and adults. Methods Seventy-one eyes of 71 children and 71 eyes of 71 adults were prospectively enrolled. RNFL and macular thicknesses were measured by one operator, with a brief rest between measurements. The two measurements were obtained using the eye tracking and retest function of Spectralis SD-OCT ...
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    9. Discrepancy in Fluorescein Angiography and Optical Coherence Tomography Findings of Macular Edema in Intermediate Uveitis

      Discrepancy in Fluorescein Angiography and Optical Coherence Tomography Findings of Macular Edema in Intermediate Uveitis
      Purpose : To assess discrepancies between fluorescein angiography (FA) and optical coherence tomography (OCT) findings for macular edema (ME) in intermediate uveitis, and investigate treatment response differences corresponding to the discrepant patterns. Methods : Discrepant results for ME detection between FA and OCT were evaluated. After 6 months, differences in treatment responses were analyzed. Results : Discrepant findings for ME were found in 21 (44%) of 48 eyes. The best-corrected visual acuity significantly ...
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    10. Peripheral lamina cribrosa depth in primary open-angle glaucoma: a swept-source optical coherence tomography study of lamina cribrosa

      Peripheral lamina cribrosa depth in primary open-angle glaucoma: a swept-source optical coherence tomography study of lamina cribrosa
      Purpose To investigate peripheral lamina cribrosa depth (PLCD) and its vertical-horizontal difference in eyes with primary open-angle glaucoma (POAG). Methods Patients with POAG (n = 90 eyes) and age-matched healthy individuals (n = 90 eyes) underwent swept-source optical coherence tomography (SS-OCT) scans centered at the optic discs. The PLCD was defined as the vertical distance between the most peripheral visible end of anterior lamina cribrosa (LC) surface and the reference plane connecting ...
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    11. OCT–Defined Morphological Characteristics of Coronary Artery Spasm Sites in Vasospastic Angina

      OCT–Defined Morphological Characteristics of Coronary Artery Spasm Sites in Vasospastic Angina
      Objectives The aim of this study was to define the morphological features of coronary artery spasm sites using optical coherence tomography (OCT) in patients with vasospastic angina (VSA). Background Plaque characteristics at coronary artery spasm sites have not been investigated systematically. Methods Sixty-nine consecutive patients (80 spasm sites) presenting with VSA who underwent OCT imaging were included in this study. Fibrous cap disruption was identified by the discontinuation of fibrous ...
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    12. Estimation of Intraocular Lens Power Calculation after Myopic Corneal Refractive Surgery: Using Corneal Height in Anterior Segment Optical Coherence Tomography

      Estimation of Intraocular Lens Power Calculation after Myopic Corneal Refractive Surgery: Using Corneal Height in Anterior Segment Optical Coherence Tomography
      Purpose To investigate the feasibility of estimating effective lens position (ELP) and calculating intraocular lens power using corneal height (CH), as measured using anterior segment optical coherence tomography (AS-OCT), in patients who have undergone corneal refractive surgery. Methods This study included 23 patients (30 eyes) who have undergone myopic corneal refractive surgery and subsequent successful cataract surgery. The CH was measured with AS-OCT, and the measured ELP (ELP m ) was ...
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    13. Correlation between depth and area of retinal nerve fiber layer defect as measured by spectral domain optical coherence tomography

      Correlation between depth and area of retinal nerve fiber layer defect as measured by spectral domain optical coherence tomography
      ... Bioengineering Major, Graduate School, Seoul National University, Seoul, Korea Department of Ophthalmology, Seoul National University College of Medicine, Seoul, Korea Department of Ophthalmology, Seoul National Unive...
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    14. Different Concentrations of Aqueous Cytokines According to Diabetic Macular Edema Patterns as Determined Optical Coherence Tomography

      Different Concentrations of Aqueous Cytokines According to Diabetic Macular Edema Patterns as Determined Optical Coherence Tomography
      Objective: To evaluate the relationship between various cytokine levels in aqueous humor and diabetic macular edema (DME) types as determined by optical coherence tomographic (OCT) patterns. Methods: The study examined 76 patients with DME at early phase. Ten patients who underwent cataract surgery served as controls. Eyes with DME were divided into four groups, based on OCT patterns of DME, prior to intravitreal bevacizumab injection (IVB). Patterns included sponge-like diffuse ...
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    15. Clinical Use of an Optical Coherence Tomography Linear Discriminant Function for Differentiating Glaucoma From Normal Eyes

      Clinical Use of an Optical Coherence Tomography Linear Discriminant Function for Differentiating Glaucoma From Normal Eyes
      Purpose: To determine and validate the diagnostic ability of a linear discriminant function (LDF) based on retinal nerve fiber layer (RNFL) and ganglion cell-inner plexiform layer (GCIPL) thickness obtained using high-definition optical coherence tomography (Cirrus HD-OCT) for discriminating between healthy controls and early glaucoma subjects. Methods: We prospectively selected 214 healthy controls and 152 glaucoma subjects (teaching set) and another independent sample of 86 healthy controls and 71 glaucoma subjects ...
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    16. 1-15 of 89 1 2 3 4 5 6 »
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  2. About Seoul National University

    Seoul National University

    Seoul National University is a public research university located in Seoul, Republic of Korea, ranked 50th in the world and 8th in Asia by US News and World Report, and 24th in the world in publications by the Science Citation Index Founded in 1946, Seoul National University was the first national university in South Korea, and served as a model for the many national and public universities in the country. Seoul National University has been recognized for its leading role in Korean academia. 

    Seoul National University Hospital is located in Gumi-dong, Bundang, Seongnam, Gyeonggi-do, South Korea. It began its first treatment on 10 May 2003. It was set up due to a rapid increase in demand for geriatric treatment and the government's request for the establishment of a medical facility for local residents. Seoul National University Bundang Hospital, consists of 6 departments : the Geriatric Medical Centre, Heart Centre, Cranial nerve Centre, Lung Centre, Articulation Centre, and the Health Improvement Centre, and 23 departments, such as Internal Medicine, Surgery, Chest Surgery, Neurosurgery, Orthopaedics, Plastic Surgery, Obstetrics and Gynaecology, and Pediatrics. There is also an accident and emergency department.