1. Kyoto University Graduate School of Medicine

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    1. Mentioned In 119 Articles

    2. 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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    3. 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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    4. 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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    5. 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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    6. 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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    7. 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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    8. 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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    9. 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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    10. Classical realization of dispersion-canceled, artifact-free, and background-free optical coherence tomography

      Classical realization of dispersion-canceled, artifact-free, and background-free optical coherence tomography
      Quantum-optical coherence tomography (Q-OCT) provides a dispersion-canceled axial-imaging method, but its practical use is limited by the weakness of the light source and by artifacts in the images. A recent study using chirped-pulse interferometry (CPI) has demonstrated dispersion-canceled and artifact-free OCT with a classical system; however, unwanted background signals still remain after removing the artifacts. Here, we propose a classical optical method that realizes dispersion-canceled, artifact-free, and background-free OCT. We ...
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    11. Enhanced-Resolution Optical Coherence Tomography Imaging

      Enhanced-Resolution Optical Coherence Tomography Imaging
      Purpose: The effect of the enhanced-resolution imaging (ERI) technique on optical coherence tomography (OCT) images was evaluated. Methods: A total of 5 healthy subjects and 20 patients diagnosed with various eye diseases were recruited into the study. ERI, a novel image processing technique, was accomplished by using super-resolution technology, and was assessed by objectively and subjectively comparing the image quality among three different image groups: images enlarged without bicubic interpolation ...
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    12. Glaucoma Tube Changes After Suture Lysis Assessed by High-Resolution Anterior Segment Optical Coherence Tomography

      Glaucoma Tube Changes After Suture Lysis Assessed by High-Resolution Anterior Segment Optical Coherence Tomography
      This Ophthalmic Image shows swept-source optical coherence tomography of glaucoma tube changes after Baerveldt glaucoma implant into the ciliary sulcus. A woman developed Takayasu disease and neovascular glaucoma in her early 20s. She underwent cardiovascular bypass surgery, but lost vision in her left eye. When another cardiovascular bypass was planned in her mid-40s, 95% of her right eye angle was closed, but her intraocular pressure (IOP) did not exceed the ...
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    13. Transient Ciliochoroidal Detachment After Ab Interno Trabeculotomy for Open-Angle Glaucoma A Prospective Anterior-Segment Optical Coherence Tomography Study

      Transient Ciliochoroidal Detachment After Ab Interno Trabeculotomy for Open-Angle Glaucoma A Prospective Anterior-Segment Optical Coherence Tomography Study
      ...fter surgery. Design, Setting, and Participants This prospective, observational, case series was conducted at Kyoto University Hospital, Kyoto, Japan. Patients with open-angle glaucoma who underwent ab interno trabeculot...
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    14. Influence of Clinical Factors and Magnification Correction on Normal Thickness Profiles of Macular Retinal Layers Using Optical Coherence Tomography

      Influence of Clinical Factors and Magnification Correction on Normal Thickness Profiles of Macular Retinal Layers Using Optical Coherence Tomography
      ...f axial length. This was a prospective, cross-sectional, multicenter study conducted in six clinical centers; Kyoto University (Japan), Nagoya University (Japan), Kanazawa University (Japan), the National University Heal...
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    15. Changes in morphology and visual function over time in mouse models of retinal degeneration: an SD-OCT, histology, and electroretinography study

      Changes in morphology and visual function over time in mouse models of retinal degeneration: an SD-OCT, histology, and electroretinography study
      Purpose To examine the long-term natural course of retinal degeneration in rd10 and rd12 mice using serial spectral-domain optical coherence tomography (SD-OCT), electroretinography/electroretinograms (ERGs), and histological analysis. Methods Photoreceptor layer thickness and the ability to visualize photoreceptor ellipsoid zones were analyzed using SD-OCT images, and these images were compared with hematoxylin and eosin-stained sections and electron microscopy images. The a- and b-wave amplitudes of the ERGs were analyzed. Results ...
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    16. 0.54 μm resolution two-photon interference with dispersion cancellation for quantum optical coherence tomography

      0.54 μm resolution two-photon interference with dispersion cancellation for quantum optical coherence tomography
      Quantum information technologies harness the intrinsic nature of quantum theory to beat the limitations of the classical methods for information processing and communication. Recently, the application of quantum features to metrology has attracted much attention. Quantum optical coherence tomography (QOCT), which utilizes two-photon interference between entangled photon pairs, is a promising approach to overcome the problem with optical coherence tomography (OCT): As the resolution of OCT becomes higher, degradation of ...
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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.