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    1. Mentioned In 92 Articles

    2. Association of Optical Coherence Tomography Angiography Metrics With Detection of Impaired Macular Microvasculature and Decreased Vision in Amblyopic Eyes

      Explore The JAMA Network Ophthalmology
      Association of Optical Coherence Tomography Angiography Metrics With Detection of Impaired Macular Microvasculature and Decreased Vision in Amblyopic Eyes
      ...ween January 2016 and July 2017 from the population-based Hong Kong Children Eye Study (HKCES) at the Chinese University of Hong Kong Eye Centre. All participants underwent OCT-A with a swept-source OCT and detailed opht...
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      Mentions: The Chinese University of Hong Kong Zhejiang University University of Hong Kong

    3. Optical coherence tomography with balanced signal strength across the depth for pearl inspection

      Explore OSA | OSA Publishing NDE/NDT
      Optical coherence tomography with balanced signal strength across the depth for pearl inspection
      Optical coherence tomography (OCT) relies on the reflection of light from structures in different layers to interferometrically reconstruct the volumetric image of the sample. However, light returned from multiple layers suffers from imbalanced attenuation owing to the optical path difference and inhomogeneous tissue absorption. We report an optimization algorithm to improve signal strength in deep tissue for swept-source (SS)-OCT imaging. This algorithm utilizes the attenuation coefficient of consecutive layers ...
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      Mentions: University of Hong Kong Kenneth K. Y. Wong Kevin K. Tsia

    5. Comparison of OCT angiography in children with a history of intravitreal injection of ranibizumab versus laser photocoagulation for retinopathy of prematurity

      Explore BJO Online Ophthalmology
      Comparison of OCT angiography in children with a history of intravitreal injection of ranibizumab versus laser photocoagulation for retinopathy of prematurity
      Purpose To compare the foveal microvascular structure characteristics in children with a history of intravitreal injection of ranibizumab (IVR) versus laser photocoagulation (LP) for retinopathy of prematurity by optical coherence tomography angiography (OCTA). Methods In this cross-sectional study, a total of 17 children (28 eyes) underwent IVR and 20 children (37 eyes) underwent LP were recruited. The age of doing OCTA examination of the two groups are 5.41.1 ...
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      Mentions: Carl Zeiss Meditec University of Hong Kong

    6. Evaluation of anti-bacterial adhesion performance of polydopamine cross-linked graphene oxide RO membrane via in situ optical coherence tomography

      Explore ScienceDirect NDE/NDT
      Evaluation of anti-bacterial adhesion performance of polydopamine cross-linked graphene oxide RO membrane via in situ optical coherence tomography
      Biofouling is a critical issue which accounts for 45% of all fouling in reverse osmosis (RO). Because fouling occurs on the surface of the membrane, surface modification has been considered an effective measure for fouling mitigation and for achieving sustainable membrane performance. Herein, we modified a RO membrane using graphene oxide (GO) crosslinked with a thin layer of polydopamine (PDA-GO) to obtain a bactericidal and antibiofouling surface. Optical coherence tomography ...
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      Mentions: University of Hong Kong

    7. Detecting glaucoma based on spectral domain optical coherence tomography imaging of peripapillary retinal nerve fiber layer: a comparison study between hand-crafted features and deep learning model

      Explore Home - Springer Ophthalmology
      Detecting glaucoma based on spectral domain optical coherence tomography imaging of peripapillary retinal nerve fiber layer: a comparison study between hand-crafted features and deep learning model
      Purpose To develop a deep learning (DL) model for automated detection of glaucoma and to compare diagnostic capability against hand-craft features (HCFs) based on spectral domain optical coherence tomography (SD-OCT) peripapillary retinal nerve fiber layer (pRNFL) images. Methods A DL model with pre-trained convolutional neural network (CNN) based was trained using a retrospective training set of 1501 pRNFL OCT images, which included 690 images from 153 glaucoma patients and 811 ...
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      Mentions: University of Hong Kong

    8. Macular Vessel Density Measured With Optical Coherence Tomography Angiography and Its Associations in a Large Population-Based Study

      Explore IOVS Journal Ophthalmology
      Macular Vessel Density Measured With Optical Coherence Tomography Angiography and Its Associations in a Large Population-Based Study
      Purpose : We investigate macular perfusion and the systemic and ocular associations in a population-based setting. Methods : In this cross-sectional study, 2018 adults residing in Hong Kong underwent detailed ophthalmic examinations after consenting to participate. Macular perfusion was measured with optical coherence tomography angiography (OCTA) using the split-spectrum amplitude decorrelation angiography algorithm. The parafoveal flow index and vessel area density were quantified using automated custom-built software. Results : Of the 2018 participants ...
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      Mentions: Oregon Health & Science University University of Hong Kong

    10. Detection of glaucomatous optic neuropathy with spectral-domain optical coherence tomography: a retrospective training and validation deep-learning analysis

      Explore ScienceDirect Ophthalmology
      Detection of glaucomatous optic neuropathy with spectral-domain optical coherence tomography: a retrospective training and validation deep-learning analysis
      ...60%), testing (20%), and primary validation (20%) from electronic medical and research records at the Chinese University of Hong Kong Eye Centre (Hong Kong, China) and the Hong Kong Eye Hospital (Hong Kong, China). Resid...
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      Mentions: Stanford University The Chinese University of Hong Kong University of Hong Kong

    11. Swept-source optical coherence tomographic observation on prevalence and variations of cemento-enamel junction morphology

      Explore Home - Springer Dentistry
      Swept-source optical coherence tomographic observation on prevalence and variations of cemento-enamel junction morphology
      To investigate the prevalence of different patterns of cemento-enamel junction (CEJ) morphology under swept-source optical coherence tomography (SS-OCT). One hundred extracted human teeth were used consisting of incisors, premolars, and molars. Each sample was observed for every 500 m circumferentially along CEJ and OCT images of the pattern were noted. Microscopic observations were done for the representative sample using confocal laser scanning microscope (CLSM) and transmission electron microscope (TEM). The ...
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      Mentions: Yasunori Sumi Tokyo Medical & Dental University University of Hong Kong

    13. Endometrial Vascularization Characterized by Optical Coherence Tomography and Immunohistochemistry in Women Undergoing In Vitro Fertilization-Embryo Transfer Treatment

      Explore MDPI Open Access Journals Platform
      Endometrial Vascularization Characterized by Optical Coherence Tomography and Immunohistochemistry in Women Undergoing In Vitro Fertilization-Embryo Transfer Treatment
      Background and objective: Endometrial angiogenesis is a prerequisite for successful pregnancy. Optical coherence tomography (OCT) is a non-invasive physically optical imaging technique widely used in ophthalmology and cardiology. However, there is no study using OCT to evaluate endometrium. The aim of this study was to use OCT and traditionally histological methods to investigate endometrial vascularization in women undergoing in vitro fertilization-embryo transfer (IVF-ET) treatment and to determine the association with ...
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      Mentions: Tomophase Corporation The Chinese University of Hong Kong University of Hong Kong

    14. New Volumetric Analysis Method for Stent Expansion and its Correlation With Final Fractional Flow Reserve and Clinical Outcome An ILUMIEN I Substudy

      Explore interventions.onlinejacc.org Cardiology
      New Volumetric Analysis Method for Stent Expansion and its Correlation With Final Fractional Flow Reserve and Clinical Outcome An ILUMIEN I Substudy
      Download figure Open in new tab Download powerpoint Abstract Objectives This study sought to compare conventional methodology (CM) with a newly described optical coherence tomography (OCT)-derived volumetric stent expansion analysis in terms of fractional flow reserve (FFR)-derived physiology and device-oriented composite endpoints (DoCE). Background The analysis of coronary stent expansion with intracoronary imaging has used CM that relies on the analysis of selected single cross-sections for several decades ...
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      Mentions: Case Western Reserve University Cardiovascular Research Foundation David Holmes

    15. Establishment of healing profile and neointimal transformation in the new polymer-free Biolimus A9-coated coronary stent by longitudinal sequential optical coherence tomography assessments: The EGO-BIOFREEDOM study

      Explore eurointervention.org Cardiology
      Establishment of healing profile and neointimal transformation in the new polymer-free Biolimus A9-coated coronary stent by longitudinal sequential optical coherence tomography assessments: The EGO-BIOFREEDOM study
      Aims: In patients at high bleeding risk treated with 1 month of dual antiplatelet therapy, the polymer-free, biolimus A9-coated BioFreedom stent (BFS) was found safer and more efficacious than bare metal stents. We used sequential optical coherence tomography (OCT) to assess the time course of strut coverage and neointimal transformation from 1 to 9 months. Methods and results: We randomly assigned 104 BFS recipients to 1 of 5 groups with ...
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      Mentions: Columbia University Gary S. Mintz University of Hong Kong

    16. Spatio-temporally incremental fiber swept source

      Explore uspto.gov Patents , Tunable Sources
      Spatio-temporally incremental fiber swept source
      A spatio-temporally incremental fiber sweep source includes a laser light pulse generator for generating light pulses and a fiber array of individual optical fibers. The fiber array has an input end and an output end, with the fibers at the input end receiving the light pulses substantially simultaneously. The optical fibers at the output end are arranged in a raster scan pattern, e.g., a square pattern, wherein the optical ...
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      Mentions: University of Hong Kong
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  4. About University of Hong Kong

    University of Hong Kong

    University of Hong Kong, as a leading international institution of higher learning in Asia, strives to attract and nurture outstanding scholars from around the world through excellence and innovation in teaching and learning, research and knowledge exchange, contributing to the advancement of society and the development of leaders through a global presence, regional significance and engagement with the rest of China.

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