1. Konyang University

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    1. Mentioned In 32 Articles

    2. Repeatability of measuring the vessel density in patients with retinal vein occlusion: An optical coherence tomography angiography study

      Repeatability of measuring the vessel density in patients with retinal vein occlusion: An optical coherence tomography angiography study
      Purpose To determine the repeatability of superficial vessel density measurements using Spectral domain Ocular coherence tomography angiography(SD-OCTA) in patients diagnosed with retinal vein occlusion(RVO). Design Prospective observational study. Subjects Patients who visited our retinal clinic from August 2017 to August 2018, diagnosed with RVO were recruited for the study. Methods Two consecutive 33 mm pattern scans were performed using the Cirrus HD-OCT 5000 along with AngioPlex software (Carl ...
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    3. A comparison of choroidal thicknesses between pachychoroid and normochoroid eyes acquired from wide‐field swept‐source OCT

      A comparison of choroidal thicknesses between pachychoroid and normochoroid eyes acquired from wide‐field swept‐source OCT
      Purpose We investigated the wide‐field choroidal thickness (CT) using swept‐source optical coherence tomography (SS‐OCT) and compared the characteristics of the choroidal layer between pachychoroid and normochoroid groups. Methods A total of 120 eyes from 120 normal subjects were included. All subjects were divided into two groups according to the subfoveal CT (300 m, pachychoroid group; 300m, normochoroid group). All subjects underwent an HD spotlight 16 mm scan ...
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    4. Effects of Prolonged Type 2 Diabetes on the Inner Retinal Layer and Macular Microvasculature: An Optical Coherence Tomography Angiography Study

      Effects of Prolonged Type 2 Diabetes on the Inner Retinal Layer and Macular Microvasculature: An Optical Coherence Tomography Angiography Study
      Purpose: To identify the effects of prolonged type 2 diabetes (T2DM) on macular microcirculation and the inner retinal layer in diabetic eyes without clinical diabetic retinopathy (DR). Methods: 97, 92, and 57 eyes in the control, patients with T2DM 10 years (DM group one), and patients with T2DM 10 years (DM group two) were enrolled. The ganglion cell-inner plexiform layer (GC-IPL) thickness and superficial vessel density (VD) were compared. Linear ...
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    5. Repeatability of Manual Measurement of Foveal Avascular Zone Area in Optical Coherence Tomography Angiography Images in High Myopia

      Repeatability of Manual Measurement of Foveal Avascular Zone Area in Optical Coherence Tomography Angiography Images in High Myopia
      Purpose To analyze the repeatability of manual measurement of foveal avascular zone (FAZ) area in an optical coherence tomography angiography (OCTA) image in high myopia. Methods This study comprised patients with high myopia and controls. Two consecutive FAZ areas of the superficial and deep capillary plexus were obtained using OCTA. The intraclass correlation coefficient (ICC) and coefficient of variation (CV) were assessed, and univariate and multivariate generalized linear mixed models ...
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    6. Comparison of Macular Retinal Thickness among Four Optical Coherence Tomography Devices in Healthy Young Subjects

      Comparison of Macular Retinal Thickness among Four Optical Coherence Tomography Devices in Healthy Young Subjects
      Purpose This study was performed to compare macular retinal thickness measured by four different optical coherence tomography (OCT) devices. Methods Macular retinal thicknesses were measured in 32 healthy eyes of 32 subjects by using Cirrus HD-OCT (Carl Zeiss Meditec, Inc., Dublin, CA, USA), Spectralis OCT (Heidelberg engineering, Heidelberg, Germany), Topcon DRI OCT (Topcon Corp., Tokyo, Japan), and RS-3000 Advance OCT (Nidek, Co., Ltd., Gamagori, Japan). Macular retinal thickness measurements were ...
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    7. CHANGES IN OPTICAL COHERENCE TOMOGRAPHY ANGIOGRAPHY AND DISEASE ACTIVITY IN TYPE 3 NEOVASCULARIZATION AFTER ANTI–VASCULAR ENDOTHELIAL GROWTH FACTOR TREATMENT

      CHANGES IN OPTICAL COHERENCE TOMOGRAPHY ANGIOGRAPHY AND DISEASE ACTIVITY IN TYPE 3 NEOVASCULARIZATION AFTER ANTI–VASCULAR ENDOTHELIAL GROWTH FACTOR TREATMENT
      Purpose: To investigate disease activity in patients with Type 3 neovascularization undergoing anti vascular endothelial growth factor treatment through image analysis using optical coherence tomography angiography (OCTA). Methods: Thirty-nine treatment-naive eyes with Type 3 neovascularization were included in the retrospective analysis. All patients were treated with three loading injections of an anti vascular endothelial growth factor agent, followed by further injections as needed. Changes in the Type 3 lesion were ...
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    8. Difference In Treatment Outcomes According To Optical Coherence Tomography–based Stages In Type 3 Neovascularization (RETINAL Angiomatous Proliferation)

      Difference In Treatment Outcomes According To Optical Coherence Tomography–based Stages In Type 3 Neovascularization (RETINAL Angiomatous Proliferation)
      Purpose: To compare 12-month treatment outcomes of Type 3 neovascularization among its different stages as classified using an optical coherence tomography based method. Methods: This retrospective observational study included 40 patients (40 eyes) who were newly diagnosed with Type 3 neovascularization . The patients were initially administered 3 monthly antivascular endothelial growth factor injections. Repeat treatment was performed when recurrence of fluid was noted. Disease staging was classified using the optical ...
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    9. Finite-difference time-domain analysis of increased penetration depth in optical coherence tomography by wavefront shaping

      Finite-difference time-domain analysis of increased penetration depth in optical coherence tomography by wavefront shaping
      Multiple scattering in turbid media inhibits optimal light focusing and thus limits the penetration depth in optical coherence tomography (OCT). However, the effects of multiple scattering in a turbid medium can be systematically controlled by shaping the incident wavefront. The authors utilize the reciprocity of Maxwells equations and finite-difference time-domain numerical analysis to investigate the ultimate performance bounds of wavefront shaping-OCT under ideal and realistic configurations and compare them with ...
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    10. Glaucomatous progression in the retinal nerve fibre and retinal ganglion cell-inner plexiform layers determined using optical coherence tomography-guided progression analysis

      Glaucomatous progression in the retinal nerve fibre and retinal ganglion cell-inner plexiform layers determined using optical coherence tomography-guided progression analysis
      Background To investigate the characteristics of glaucomatous progression in circumpapillary retinal nerve fibre layer (RNFL) and macular retinal ganglion cell-inner plexiform layer (GCIPL) determined using optical coherence tomography-guided progression analysis (OCT-GPA). Methods Serial OCT images of 527 glaucomatous eyes with greater than four OCT tests were screened. Among them, 106 (20.1 per cent) eyes with progression in either RNFL or GCIPL determined using OCT-GPA were included. Based on the ...
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    11. DIFFERENCE IN TREATMENT OUTCOMES ACCORDING TO OPTICAL COHERENCE TOMOGRAPHY-BASED STAGES IN TYPE 3 NEOVASCULARIZATION (RETINAL ANGIOMATOUS PROLIFERATION)

      DIFFERENCE IN TREATMENT OUTCOMES ACCORDING TO OPTICAL COHERENCE TOMOGRAPHY-BASED STAGES IN TYPE 3 NEOVASCULARIZATION (RETINAL ANGIOMATOUS PROLIFERATION)
      Purpose: To compare 12-month treatment outcomes of Type 3 neovascularization among its different stages as classified using an optical coherence tomography-based method. Methods: This retrospective observational study included 40 patients (40 eyes) who were newly diagnosed with Type 3 neovascularization. The patients were initially administered 3 monthly anti-vascular endothelial growth factor injections. Repeat treatment was performed when recurrence of fluid was noted. Disease staging was classified using the optical coherence ...
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    12. Influence of Myopia on Size of Optic Nerve Head and Retinal Nerve Fiber Layer Thickness Measured by Spectral Domain Optical Coherence Tomography

      Influence of Myopia on Size of Optic Nerve Head and Retinal Nerve Fiber Layer Thickness Measured by Spectral Domain Optical Coherence Tomography
      Purpose To investigate optic nerve head size and retinal nerve fiber layer (RNFL) thickness according to refractive status and axial length. Methods In a cross-sectional study, 252 eyes of 252 healthy volunteers underwent ocular biometry measurement as well as optic nerve head and RNFL imaging by spectral-domain optical coherence tomography. Correlation and linear regression analyses were performed for all subjects. The magnification effect was adjusted by the modified axial length ...
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    13. Optical Coherence Tomography-based Diagnosis of Polypoidal Choroidal Vasculopathy in Korean Patients

      Optical Coherence Tomography-based Diagnosis of Polypoidal Choroidal Vasculopathy in Korean Patients
      Purpose To evaluate the efficacy of an optical coherence tomography (OCT)-based diagnosis of polypoidal choroidal vasculopathy (PCV) in Korean patients. Methods This retrospective, observational case series included 263 eyes of 263 patients (147 eyes with PCV and 116 eyes with typical exudative, age-related macular degeneration [AMD]) who had been diagnosed with treatment nave exudative AMD. Eyes with three or more of the following OCT findings were diagnosed with PCV ...
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    14. Swept Source Optical Coherence Tomography Findings in Gas-Filled Eyes after Macular Hole Surgery

      Swept Source Optical Coherence Tomography Findings in Gas-Filled Eyes after Macular Hole Surgery
      Purpose To investigate the ability to determine the postoperative status of macular hole (MH) in gas-filled eyes using swept source optical coherence tomography (SS-OCT). Methods Ten eyes of 10 patients who underwent vitrectomy, internal limiting membrane peeling and gas tamponade for idiopathic MH were included in this study. The macular area was examined using SS-OCT on postoperative days 1, 2 and 30. Results MH status was assessed in 6 eyes ...
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  2. About Konyang University

    Konyang University

    Konyang University is located in Nonsan, South Korea, was founded in 1991. Konyang University has campuses in Nonsan and Daejeon. The Nonsan campus is the main campus with over 10,000 undergraduate students and more than forty majors, mostly in applied fields. The Daejeon campus has programs in Western medicine, medical technology, and nursing. The university has about 700 graduate students. In 2011, Konyang was one of three private ROK universities that began offering military science as a major.