1. Kyoto University Graduate School of Medicine

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    1. Mentioned In 126 Articles

    2. Morphological and Functional Retinal Vessel Changes in Branch Retinal Vein Occlusion: An Optical Coherence Tomography Angiography Study

      Morphological and Functional Retinal Vessel Changes in Branch Retinal Vein Occlusion: An Optical Coherence Tomography Angiography Study
      Purpose The present study aimed to investigate the morphology of the retinal vasculature in eyes with branch retinal vein occlusion (BRVO) using optical coherence tomography (OCT) angiography. Design Observational case series. Methods Fluorescein angiography (FA) and OCT angiography were used to examine macular area and the retinal vasculature at the affected arteriovenous (AV) crossing in 46 patients with BRVO. Results FA revealed that the affected AV crossing pattern involved arterial ...
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    3. Posterior Staphylomas in Pathologic Myopia Imaged by Widefield Optical Coherence Tomography

      Posterior Staphylomas in Pathologic Myopia Imaged by Widefield Optical Coherence Tomography
      Purpose : To examine posterior staphylomas by widefield optical coherence tomography (WF-OCT) and three-dimensional magnetic resonance imaging (3D-MRI). Methods : Highly myopic patients (myopic refractive error 8.0 diopters or axial length 26.5 mm) who had previously undergone orbital 3D-MRI were examined by WF-OCT. Results : The study included 100 eyes of 57 patients with a mean age of 67.9 10.7 years (range, 4485 years) and mean axial length of ...
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    4. EVALUATION OF MACULAR ISCHEMIA IN EYES WITH CENTRAL RETINAL VEIN OCCLUSION: An Optical Coherence Tomography Angiography Study

      EVALUATION OF MACULAR ISCHEMIA IN EYES WITH CENTRAL RETINAL VEIN OCCLUSION: An Optical Coherence Tomography Angiography Study
      Purpose: To quantitatively assess macular perfusion status using optical coherence tomography angiography in eyes with aflibercept-treated central retinal vein occlusion and resolved macular edema and to investigate the impact of macular morphology and perfusion status on visual function. Methods: This prospective consecutive case series included 23 patients with central retinal vein occlusion. All patients received intravitreal aflibercept injections before analysis. Visual acuity, macular sensitivity, and the macular nonperfusion area (NPA ...
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    5. Optical Coherence Tomography Angiography to Estimate Retinal Blood Flow in Eyes with Retinitis Pigmentosa

      Optical Coherence Tomography Angiography to Estimate Retinal Blood Flow in Eyes with Retinitis Pigmentosa
      Ophthalmologists sometimes face difficulties in identifying the origin of visual acuity (VA) loss in a retinitis pigmentosa (RP) patient, particularly before cataract surgery: cataract or the retinal disease state. Therefore, it is important to identify the significant factors correlating with VA. Nowadays, retinal blood flow in superficial and deep layers can be estimated non-invasively using optical coherence tomography angiography (OCTA). We estimated blood flow per retinal layer by using OCTA ...
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    6. CHANGES IN THE POSTERIOR VITREOUS AFTER CATARACT SURGERY ASSESSED BY SWEPT-SOURCE OPTICAL COHERENCE TOMOGRAPHY

      CHANGES IN THE POSTERIOR VITREOUS AFTER CATARACT SURGERY ASSESSED BY SWEPT-SOURCE OPTICAL COHERENCE TOMOGRAPHY
      Purpose: To assess changes in the posterior vitreous caused directly by phacoemulsification with implantation of an intraocular lens, using the enhanced vitreous swept-source optical coherence tomography system (Topcon, Tokyo, Japan). Methods: Consecutive patients with cataract without posterior vitreous detachment were enrolled. Swept-source optical coherence tomography examinations were performed 1 day before and several days after surgery, using enhanced vitreous visualization. We compared preoperative and postoperative posterior vitreous status and measured ...
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    7. Is quantitative coronary angiography reliable in assessing the late lumen loss of the everolimus eluting bioresorbable polylactide scaffold in comparison with the cobalt chromium metallic stent?

      Is quantitative coronary angiography reliable in assessing the late lumen loss of the everolimus eluting bioresorbable polylactide scaffold in comparison with the cobalt chromium metallic stent?
      Aims: Immediately after stent/scaffold implantation, quantitative coronary angiography (QCA) with respect to optical coherence tomography (OCT) more severely underestimates the lumen diameter (LD) in Absorb than in XIENCE. This OCT-QCA discrepancy has not been evaluated at long-term follow-up. The present study aimed to assess the accuracy of QCA with reference to OCT in Absorb as compared to XIENCE.
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    8. Swept-Source Optical Coherence Tomography Detecting Intraoperative Acute Descemet's Fold Formation

      Swept-Source Optical Coherence Tomography Detecting Intraoperative Acute Descemet's Fold Formation
      Background: To present an intraoperative acute Descemets fold formation using swept-source optical coherence tomography (SS-OCT) imaging. Case Report: A 67-year-old man complaining of reduced visual acuity in the left eye. A 25-gauge pars plana vitrectomy combined with phacoemulsification cataract surgery was performed to remove the vitreomacular traction. When hydro-sealing was performed, striae rapidly spread in the cornea. SS-OCT B-scan images performed on postoperative day 1 revealed a wavy Descemets membrane ...
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    9. Increased Choroidal Vascularity in Central Serous Chorioretinopathy Quantified Using Swept-Source Optical Coherence Tomography

      Increased Choroidal Vascularity in Central Serous Chorioretinopathy Quantified Using Swept-Source Optical Coherence Tomography
      Purpose To investigate the choroidal vascular structural changes in eyes with central serous chorioretinopathy (CSC) by using swept-source optical coherence tomography (SS-OCT). Design Prospective cross-sectional study. Methods We prospectively examined 40 eyes of 34 consecutive patients with CSC. Three-dimensional choroidal images of the macular area, covering 3 3 mm and 6 6 mm, were obtained with SS-OCT. En face images of the microvasculature of the inner choroid and large choroidal ...
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    10. Morphological features in anterior scleral inflammation using swept-source optical coherence tomography with multiple B-scan averaging

      Morphological features in anterior scleral inflammation using swept-source optical coherence tomography with multiple B-scan averaging
      Background/aims To determine the morphological features of anterior scleral inflammation using swept-source optical coherence tomography. Methods In this retrospective observational study, we examined 17 eyes of 14 patients with diffuse anterior scleral inflammation and 13 eyes of 13 young unaffected patients. We compared cross-sectional images of the conjunctiva, episclera and sclera obtained using swept-source optical coherence tomography equipped with a multiple B-scan averaging process between normal eyes and those ...
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    11. Morphological changes after trabeculectomy in highly myopic eyes with high intraocular pressure by using swept-source optical coherence tomography

      Morphological changes after trabeculectomy in highly myopic eyes with high intraocular pressure by using swept-source optical coherence tomography
      Purpose To investigate the effects of intraocular pressure (IOP) reduction on the eyeball shape in highly myopic eyes with high IOP. Methods This study included patients with an axial length 26.5 mm and high IOP 22 mmHg after receiving maximum medication, with successful trabeculectomy by a single surgeon, and who underwent swept-source optical coherence tomography (SS-OCT) examinations on preoperative and postoperative 3 months periods. Eight eyes of 7 patients ...
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    12. Microvascular Density in Glaucomatous Eyes with Hemifield Visual Field Defects: An Optical Coherence Tomography Angiography Study

      Microvascular Density in Glaucomatous Eyes with Hemifield Visual Field Defects: An Optical Coherence Tomography Angiography Study
      Purpose To investigate microcirculation of peripapillary retina and optic disc in eyes with primary open-angle glaucoma (POAG) and hemifield visual field (VF) defects. Design Prospective observational case series with normal comparison group. Methods Sixty eyes with POAG (41 with superior and 19 with inferior hemifield VF defects) and 21 normal eyes were included in this study. Optical coherence tomography (OCT) angiography was used to acquire 3 3 mm optic disc ...
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    13. Microarchitecture of the Vitreous Body: A High-Resolution Optical Coherence Tomography Study

      Microarchitecture of the Vitreous Body: A High-Resolution Optical Coherence Tomography Study
      Purpose To report novel vitreous body microarchitecture findings using high-resolution spectral-domain OCT (HR-SD-OCT). Design Prospective, cross-sectional study. Methods Horizontal and vertical retinal cross-sectional images that were 10 mm long were acquired from 17 eyes of 17 young healthy volunteers using HR-SD-OCT with enhanced vitreous imaging (EVI). Images were acquired through the fovea, upper vessel arcade, and lower vessel arcade. Results Three new findings on vitreous body microarchitecture were found. First ...
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    14. Characterization of Inner Retinal Spots With Inverted Reflectivity on En Face Optical Coherence Tomography in Diabetic Retinopathy

      Characterization of Inner Retinal Spots With Inverted Reflectivity on En Face Optical Coherence Tomography in Diabetic Retinopathy
      Purpose : The purpose of this study was to characterize inner retinal spots with inverted reflectivity on en face images of swept-source optical coherence tomography (SS-OCT) in diabetic retinopathy (DR). Methods : We retrospectively reviewed seventy-five eyes of 75 patients with DR (15 eyes with individual grades of DR severity). We obtained three-dimensional images (6 6 mm) centered on the fovea, followed by the generation of en face images. We investigated the ...
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    15. Estimation of the Degree of Endolymphatic Hydrops Using Optical Coherence Tomography

      Estimation of the Degree of Endolymphatic Hydrops Using Optical Coherence Tomography
      Endolymphatic hydrops is a disorder in which an excessive amount of endolymph fluid causes an increase in the pressure of the endolymphatic system of the inner ear. In cochlea, endolymphatic hydrops can cause stretching in the scala media , a tubular construction that, along with two other similar structures, the scala vestibuli and scala tympani , runs through the cochlea from the base to the top. Visualizing the enlargement of the scala ...
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    16. Detection of Myopic Choroidal Neovascularization Using Optical Coherence Tomography Angiography

      Detection of Myopic Choroidal Neovascularization Using Optical Coherence Tomography Angiography
      Purpose To assess whether optical coherence tomography angiography (OCTA) can be used as an alternative to conventional fundus fluorescein angiography (FFA) for the detection of myopic choroidal neovascularization (CNV) Design Validity and reliability analysis Methods Twenty-eight eyes of 26 consecutive Japanese patients with exudative lesions associated with pathological myopia were included in this institutional study. Myopic CNV was detected in 23 eyes of 22 patients; five eyes exhibited simple hemorrhage ...
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  2. About Kyoto University Graduate School of Medicine

    Kyoto University Graduate School of Medicine

    Kyoto University is a major national university in Kyoto, Japan. It is the second oldest university in Japan, and formerly one of the Imperial Universities of Japan. The university has a total of about 22,000 students enrolled in its undergraduate and graduate programs.  Kyoto University has historically advocated a "spirit of freedom" in its academic activities. Kyoto University Graduate School of Medicine is a medical school associated with Kyoto University.