1. Seoul National University

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    1. Mentioned In 122 Articles

    2. Discriminating glaucomatous and compressive optic neuropathy on spectral-domain optical coherence tomography with deep learning classifier

      Discriminating glaucomatous and compressive optic neuropathy on spectral-domain optical coherence tomography with deep learning classifier
      Background/aims To assess the performance of a deep learning classifier for differentiation of glaucomatous optic neuropathy (GON) from compressive optic neuropathy (CON) based on ganglion cellinner plexiform layer (GCIPL) and retinal nerve fibre layer (RNFL) spectral-domain optical coherence tomography (SD-OCT). Methods Eighty SD-OCT image sets from 80 eyes of 80 patients with GON along with 81 SD-OCT image sets from 54 eyes of 54 patients with CON were compiled ...
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    3. Diagnosing Glaucoma with Spectral-domain Optical Coherence Tomography Using Deep Learning Classifier

      Diagnosing Glaucoma with Spectral-domain Optical Coherence Tomography Using Deep Learning Classifier
      Prcis: An SD-OCT based deep learning system detected glaucomatous structural change with high sensitivity and specificity. It outperformed the clinical diagnostic parameters in discriminating glaucomatous eyes from healthy eyes. Purpose: To assess the performance of a deep learning classifier for detection of glaucomatous change based on spectral-domain optical coherence tomography (SD-OCT). Methods: Three hundred and fifty image sets of ganglion cell-inner plexiform layer (GCIPL) and retinal nerve fiber layer (RNFL ...
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    4. Foveal Microvascular Structures in Eyes with Silicone Oil Tamponade for Rhegmatogenous Retinal Detachment: A Swept-source Optical Coherence Tomography Angiography Study

      Foveal Microvascular Structures in Eyes with Silicone Oil Tamponade for Rhegmatogenous Retinal Detachment: A Swept-source Optical Coherence Tomography Angiography Study
      Silicone oil (SO) is widely used as a long-term intravitreal tamponading agent for rhegmatogenous retinal detachment (RRD) repair. This study investigated the structural changes of the foveal microvasculature using optical coherence tomography angiography (OCTA) in patients with RRD treated with vitrectomy and SO tamponade. Thirty-eight patients with unilateral RRD who were treated with vitrectomy and SO tamponade and were followed up for 3 months after SO removal were included. En ...
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    5. Morphologic Features of Buried Optic Disc Drusen on En Face Optical Coherence Tomography and Optical Coherence Tomography Angiography

      Morphologic Features of Buried Optic Disc Drusen on En Face Optical Coherence Tomography and Optical Coherence Tomography Angiography
      Purpose To evaluate and compare the morphologic characteristics of buried optic disc drusen (ODD) and optic disc edema (ODE) by using en face optical coherence tomography (OCT) and OCT angiography (OCTA) Design Retrospective, cross-sectional study Methods We reviewed the medical records of 61 patients (92 eyes) with buried ODD, 45 patients (62 eyes) with ODE, and 42 normal-appearing fellow eyes examined at one referral center between November 2017 and April ...
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    6. Role of Inflammation in Classification of Diabetic Macular Edema by Optical Coherence Tomography

      Role of Inflammation in Classification of Diabetic Macular Edema by Optical Coherence Tomography
      Diabetic macular edema (DME) is the abnormal accumulation of fluid in the subretinal or intraretinal spaces in the macula in patients with diabetic retinopathy and leads to severely impaired central vision. Technical developments in retinal imaging systems have led to many advances in the study of DME. In particular, optical coherence tomography (OCT) can provide longitudinal and microstructural analysis of the macula. A comprehensive review was provided regarding the role ...
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    7. Morphological characteristics of ocular toxoplasmosis and its regression pattern on swept-source optical coherence tomography angiography: a case report

      Morphological characteristics of ocular toxoplasmosis and its regression pattern on swept-source optical coherence tomography angiography: a case report
      Background To report the successful treatment of ocular toxoplasmosis and present the use of multimodal imaging to describe the changes in ocular toxoplasmic lesions subsequent to treatment. Case presentation A 73-year-old female visited the clinic with decreased visual acuity in the left eye. Fundus examination showed severe vitreous haze with yellow-white infiltrates near the foveal center. Spectral-domain optical coherence tomography (SD-OCT) revealed disorganization of the retinal structure with markedly thickened ...
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    8. Effect of topical steroids on recently developed incomplete nasolacrimal duct obstruction: optical coherence tomography study

      Effect of topical steroids on recently developed incomplete nasolacrimal duct obstruction: optical coherence tomography study
      Purpose To evaluate the effect of a topical steroid instillation on recently developed incomplete nasolacrimal duct obstruction (NLDO) evaluated by using anterior segment optical coherence tomography (ASOCT). Methods Forty-nine eyes of 31 patients with incomplete NLDO who developed epiphora within 3 months were recruited and treated with a topical steroid for 3 months. Tear meniscus height (TMH) and area (TMA) were measured by ASOCT. The treatment was considered to be ...
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    9. Optical Coherence Tomography for the Diagnosis and Monitoring of Glaucoma

      Optical Coherence Tomography for the Diagnosis and Monitoring of Glaucoma
      Since its introduction to the field of ophthalmology, optical coherence tomography (OCT) has been markedly improved in terms of imaging protocols, algorithms, and new parameters that have enhanced its utility for the diagnosis and assessment of glaucoma progression. In this review, we examine the clinical utility of OCT in the diagnosis of glaucoma and monitoring of its progression, and emphasize the technological advances that facilitate both glaucoma research and the ...
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    10. Topographic correlation between macular superficial microvessel density and ganglion cell-inner plexiform layer thickness in glaucoma-suspect and early normal-tension glaucoma

      Topographic correlation between macular superficial microvessel density and ganglion cell-inner plexiform layer thickness in glaucoma-suspect and early normal-tension glaucoma
      Background/Aims To investigate the topographic relationship between macular superficial microvessel density (SMD) and macular ganglion cell-inner plexiform layer (GCIPL) thickness in eyes with glaucoma-suspect (GS) and early normal-tension glaucoma (NTG). Methods A total of 86 eyes of 86 patients with early NTG (standard automated perimetry mean deviation 5.5 decibels) and a total of 25 eyes of 25 patients with GS were retrospectively reviewed. All of the subjects underwent ...
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    11. Inner macular layer thickness by spectral domain optical coherence tomography in children and adults: a hospital-based study

      Inner macular layer thickness by spectral domain optical coherence tomography in children and adults: a hospital-based study
      Purpose To establish the normative ranges of macular ganglion cell layer (mGCL) and macular inner plexiform layer (mIPL) thickness using Spectralis spectral domain optical coherence tomography (SD-OCT) (Heidelberg Engineering, Inc., Heidelberg, Germany) in both Korean children and adults, and to determine factors associated with mGCL and mIPL thickness. Methods We conducted a retrospective, observational study of 573 healthy subjects (570 years old) who underwent comprehensive ophthalmic examinations in a single ...
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    12. Association Between IVUS and OCT Parameters and Invasive Physiologic Indices

      Association Between IVUS and OCT Parameters and Invasive Physiologic Indices
      Given the inherent limitations of coronary angiography to depict the presence of functionally significant epicardial coronary stenosis and discrepancy between angiographic stenosis severity and the presence of myocardial ischemia, invasive physiologic indices such as fractional flow reserve (FFR) or instantaneous wave-free ratio (iFR) has been a standard method to guide decision of revascularization. Intravascular ultrasound (IVUS) and optical coherence tomography (OCT) are an intracoronary imaging method able to provide information ...
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    13. Optical coherence tomography angiography analysis of changes in the retina and the choroid after haemodialysis

      Optical coherence tomography angiography analysis of changes in the retina and the choroid after haemodialysis
      The purpose of this study is to evaluate the effect of haemodialysis on perfused vessel density, choroidal thickness (CT), and retinal thickness in end-stage renal disease (ESRD) using swept-source optical coherence tomography angiography (SS-OCTA). We studied twenty-nine eyes of 29 ESRD patients by ophthalmologic examination and SS-OCTA before and after haemodialysis. The colour-coded perfusion density maps were generated and perfused vessel density was calculated. Changes in systemic and other ocular ...
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    14. Three dimensional neuro-retinal rim thickness and retinal nerve fiber layer thickness using high-definition optical coherence tomography for open-angle glaucoma

      Three dimensional neuro-retinal rim thickness and retinal nerve fiber layer thickness using high-definition optical coherence tomography for open-angle glaucoma
      Purpose To compare the diagnostic capability of three-dimensional (3D) neuro-retinal rim thickness (NRR) with existing optic nerve head and retinal nerve fiber layer (RNFL) scan parameters using high-definition optical coherence tomography (HD-OCT). Design Retrospective study. Methods Based on the mean deviation (MD) of the Humphrey Field Analyzer (HFA), the 152 subjects were categorized into mild (MD 6 dB, 100), moderate (MD 6 to 12 dB, 26), and severe (MD 12 ...
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    15. Serial Combined Wide-Field Optical Coherence Tomography Maps for Detection of Early Glaucomatous Structural Progression

      Serial Combined Wide-Field Optical Coherence Tomography Maps for Detection of Early Glaucomatous Structural Progression
      Importance Both parapapillary and macular areas are important in determining the progression of early glaucoma. However, no attempt has been made to assess the progression of glaucoma in images that combine the 2 areas. Objective To evaluate the potential usefulness of serial analysis of combined wide-field optical coherence tomography (OCT) maps for detection of structural progression in patients with early glaucoma. Design, Setting, and Participants Retrospective observational study. Patients with ...
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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.