1. Seoul National University

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    1. Mentioned In 144 Articles

    2. The feasibility of clinical evaluation for anterior uveitis through spectral-domain optical coherence tomography in dogs

      The feasibility of clinical evaluation for anterior uveitis through spectral-domain optical coherence tomography in dogs
      Objective: To evaluate the clinical application of spectral-domain optical coherence tomography (SD-OCT) for anterior uveitis in dogs. Animals and procedures: Client-owned dogs presenting with anterior uveitis and clinically healthy dogs were enrolled in this study. Included eyes were divided into 5 groups by flare grade and 3 groups by cell grade through slit-lamp biomicroscopy. Each eye was examined using SD-OCT following slit-lamp biomicroscopy. The ratio of aqueous signal intensity to ...
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    3. Comparison of iridocorneal angle parameters measured by spectral domain optical coherence tomography and ultrasound biomicroscopy in dogs

      Comparison of iridocorneal angle parameters measured by spectral domain optical coherence tomography and ultrasound biomicroscopy in dogs
      Objective: To compare the measurements of iridocorneal angle parameters between spectral domain optical coherence tomography (SD-OCT) and ultrasound biomicroscopy (UBM) in dogs. Animals studied and procedures: A total of 47 eyes of dogs were scanned at the temporal limbus using SD-OCT and UBM. Iridocorneal angle (ICA) and angle opening distance (AOD) were measured from the obtained images accordingly. The intra-observer and inter-observer reproducibility were evaluated using the intraclass correlation coefficient ...
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    4. Evaluation of the upper and lower proximal lacrimal canaliculi using spectral-domain optical coherence tomography in normal Beagle dogs

      Evaluation of the upper and lower proximal lacrimal canaliculi using spectral-domain optical coherence tomography in normal Beagle dogs
      Objective: To confirm the feasibility of visualizing upper and lower proximal lacrimal canaliculi (LC) using spectral-domain optical coherence tomography (SD-OCT). Animals studied: Eight eyes of four normal Beagle dogs. Procedures: To obtain an upper proximal LC image, the head was turned in the opposite direction to the eye being imaged, and the medial part of the upper eyelid was everted to expose the LC. To obtain a lower LC image ...
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    5. A Study of the Association Between Retinal Vessel Geometry and Optical Coherence Tomography Angiography Metrics in Diabetic Retinopathy

      A Study of the Association Between Retinal Vessel Geometry and Optical Coherence Tomography Angiography Metrics in Diabetic Retinopathy
      Purpose: The purpose of this study was to investigate whether optical coherence tomography angiography (OCTA) metrics are related to retinal vessel geometry parameters in diabetic retinopathy (DR). Methods: In total, 119 eyes (119 patients) were included in this retrospective cross-sectional study. Retinal vessel geometry parameters were analyzed using semi-automated software. OCTA metrics were analyzed using automated manufacturer-provided algorithms. Associations between the severity of DR and retinal vessel geometry parameters and ...
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    6. Assessment of the pigeon (Columba livia) retina with spectral domain optical coherence tomography

      Assessment of the pigeon (Columba livia) retina with spectral domain optical coherence tomography
      Background: To assess the normal retina of the pigeon eye using spectral domain optical coherence tomography (SD-OCT) and establish a normative reference. Methods: Twelve eyes of six ophthalmologically normal pigeons ( Columba livia ) were included. SD-OCT images were taken with dilated pupils under sedation. Four meridians, including the fovea, optic disc, red field, and yellow field, were obtained in each eye. The layers, including full thickness (FT), ganglion cell complex (GCC ...
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    7. Distinguishing retinal angiomatous proliferation from polypoidal choroidal vasculopathy with a deep neural network based on optical coherence tomography

      Distinguishing retinal angiomatous proliferation from polypoidal choroidal vasculopathy with a deep neural network based on optical coherence tomography
      This cross-sectional study aimed to build a deep learning model for detecting neovascular age-related macular degeneration (AMD) and to distinguish retinal angiomatous proliferation (RAP) from polypoidal choroidal vasculopathy (PCV) using a convolutional neural network (CNN). Patients from a single tertiary center were enrolled from January 2014 to January 2020. Spectral-domain optical coherence tomography (SD-OCT) images of patients with RAP or PCV and a control group were analyzed with a deep ...
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    8. RECURRENCE OF IDIOPATHIC EPIRETINAL MEMBRANE AND ITS PREDISPOSING FACTO: An Optical Coherence Tomography Study

      RECURRENCE OF IDIOPATHIC EPIRETINAL MEMBRANE AND ITS PREDISPOSING FACTO: An Optical Coherence Tomography Study
      Purpose: To evaluate the incidence and clinical course of recurrent epiretinal membrane (ERM) after ERM surgery and to identify predisposing optical coherence tomography (OCT) findings for the recurrence . Methods: Postoperative ERM recurrence , defined as reappearance of the membrane after its removal or regrowth of the remnant membrane, was investigated in 301 eyes with idiopathic ERM followed up for more than 6 months after macular surgery by fundus photographs and spectral-domain ...
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    9. Temporal changes of parafoveal microvasculature after epiretinal membrane surgery: an optical coherence tomography angiography study

      Temporal changes of parafoveal microvasculature after epiretinal membrane surgery: an optical coherence tomography angiography study
      Purpose: To investigate whether the parafoveal capillary architecture predicts clinical course and visual outcomes after ERM surgery. Methods: A total of 71 eyes of 71 patients treated with vitrectomy for idiopathic ERM were enrolled. The parafoveal capillary displacement and fractal geometries were compared according to the stage of ERM. Correlations between the parafoveal capillary displacement in the superficial capillary plexus (SCP), the fractal dimension and lacunarity in the deep capillary ...
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    10. Optical coherence tomography-based deep-learning model for detecting central serous chorioretinopathy

      Optical coherence tomography-based deep-learning model for detecting central serous chorioretinopathy
      Central serous chorioretinopathy (CSC) is a common condition characterized by serous detachment of the neurosensory retina at the posterior pole. We built a deep learning system model to diagnose CSC, and distinguish chronic from acute CSC using spectral domain optical coherence tomography (SD-OCT) images. Data from SD-OCT images of patients with CSC and a control group were analyzed with a convolutional neural network. Sensitivity, specificity, accuracy, and area under the ...
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    11. Efficacy of coronary imaging on bifurcation intervention

      Efficacy of coronary imaging on bifurcation intervention
      During the coronary bifurcation intervention procedure, imaging including intravascular ultrasound and optical coherence tomography is essential to provide precise anatomy of the lesion and morphological information. This consensus document between the Korean Bifurcation Club and the Japanese Bifurcation Club summarizes practical guidelines and current evidences on lesion assessment, device selection, procedural guidance, and the optimization of bifurcation intervention by the imaging.
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    12. 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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    13. Optical coherence tomography of the Tokay gecko (Gekko gecko) eye

      Optical coherence tomography of the Tokay gecko (Gekko gecko) eye
      Objective To provide images of the anterior and posterior structures of the gecko eye using spectral domain optical coherence tomography (SD‐OCT). Animals and procedures Eight ophthalmologically normal Tokay geckos ( Gekko gecko ) were used. The nose‐cloaca distance and body weight were measured for each gecko. Tomographic images were obtained using SD‐OCT without the use of anesthetic or mydriatic agents. The central corneal thickness (CCT), the anterior chamber depth ...
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    14. In vivo imaging of the hyaloid vascular regression and retinal and choroidal vascular development in rat eyes using optical coherence tomography angiography

      In vivo imaging of the hyaloid vascular regression and retinal and choroidal vascular development in rat eyes using optical coherence tomography angiography
      This study investigates the hyaloid vascular regression and its relationship to the retinal and choroidal vascular developments using optical coherence tomography angiography (OCTA). Normal and oxygen-induced retinopathy (OIR) rat eyes at postnatal day 15, 18, 21, and 24 were longitudinally imaged using OCTA. At each day, two consecutive imaging for visualizing the hyaloid vasculature and the retinal and choroidal vasculatures were conducted. The hyaloid vessel volume and the retinal and ...
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    15. Peripapillary vessel parameters and mean ocular perfusion pressure in young healthy eyes: OCT angiography study

      Peripapillary vessel parameters and mean ocular perfusion pressure in young healthy eyes: OCT angiography study
      Background To investigate the relationship between estimated mean ocular perfusion pressure (MOPP) and peripapillary perfusion density (PD) or vessel density (VD) as measured by spectral-domain optical coherence tomography angiography (OCTA) in young healthy eyes. Methods 132 healthy participants (264 eyes) under 45 years of age underwent optic disc OCTA scan sized 33 mm to acquire PD and VD in the superficial vascular complex (SVC). Optic nerve head (ONH) parameters including ...
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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.