1. University of Sydney

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    1. Mentioned In 69 Articles

    2. Optical coherence tomography of the retina, nerve fiber layer, and optic nerve head in dogs with glaucoma

      Explore Wiley Online Library Ophthalmology
      Optical coherence tomography of the retina, nerve fiber layer, and optic nerve head in dogs with glaucoma
      Objective To evaluate the retina and optic nerve head (ONH) in canine eyes predisposed to glaucoma using optical coherence tomography (OCT). Animals Twenty‐five eyes (24 dogs). Methods Measures of peripapillary retinal, retinal nerve fiber layer (RNFL), and ganglion cell complex (GCC) thickness and ONH parameters were obtained in vivo by OCT of the unaffected eye in dogs diagnosed with unilateral primary glaucoma (predisposed; n = 12) and compared with measures ...
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      Mentions: University of Sydney

    3. Analysis of Retinal Perfusion in Children, Adolescents, and Young Adults with Type 1 Diabetes Using Optical Coherence Tomography Angiography

      Explore Hindawi Publishing Corporation Ophthalmology
      Analysis of Retinal Perfusion in Children, Adolescents, and Young Adults with Type 1 Diabetes Using Optical Coherence Tomography Angiography
      We performed a cross-sectional study to analyze the retinal vasculature in children, adolescent, and young adults with type 1 diabetes using optical coherence tomography angiography (OCTA). Patients underwent funduscopic examination for diabetic retinopathy (DR) screening during an annual visit for the screening of diabetes-related complications which included the evaluation of glycated hemoglobin (HbA1c), microalbuminuria, lipid profile, arterial pressure, and neurological assessment. In addition, OCTA of the retinal vasculature was performed ...
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      Mentions: University of Sydney University of Milan

    4. Filigree vascular pattern in Combined Hamartoma of Retina and Retinal Pigment Epithelium on Optical Coherence Tomography Angiography

      Explore ScienceDirect Ophthalmology
      Filigree vascular pattern in Combined Hamartoma of Retina and Retinal Pigment Epithelium on Optical Coherence Tomography Angiography
      Objective To evaluate the vascular structure within combined hamartoma of retina and retinal pigment epithelium (CHRRPE) lesions using optical coherence tomography angiography (OCT-A). Design: Multicentre retrospective observational analysis Subjects: 20 eyes of patients diagnosed with CHRRPE Methods Retrospective analysis of color fundus photographs, optical coherence tomography (OCT) and OCT-A of 20 eyes with CHRRPE. Morphological characteristics of CHRRPE and the OCT features were correlated with the density of the filigree ...
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      Mentions: L V Prasad Eye Institute LuEsther T. Mertz Retinal Research Center University of Sydney

    5. Simultaneous multi-spatial scanning optical coherence tomography (OCT) based on spectrum-slicing of a broadband source

      Explore IOPscience
      Simultaneous multi-spatial scanning optical coherence tomography (OCT) based on spectrum-slicing of a broadband source
      This paper reports on the characterization of a novel multi-channel Optical Coherence Tomography (MC-OCT) method capable of concurrent scanning at multiple sites along the sample arm length of a low coherence interferometer. For this study, a cascade of two wavelength-based beam splitters is used to split the sample arm beam into three channels, forming three imaging (sensing) units. Channel-specific free-space beam paths are introduced in the sample arm to ensure ...
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      Mentions: University of Sydney

    6. Robust deep learning method for choroidal vessel segmentation on swept source optical coherence tomography images

      Explore OSA | OSA Publishing Ophthalmology
      Robust deep learning method for choroidal vessel segmentation on swept source optical coherence tomography images
      Accurate choroidal vessel segmentation with swept-source optical coherence tomography (SS-OCT) images provide unprecedented quantitative analysis towards the understanding of choroid-related diseases. Motivated by the leading segmentation performance in medical images from the use of deep learning methods, in this study, we proposed the adoption of a deep learning method, RefineNet, to segment the choroidal vessels from SS-OCT images. We quantitatively evaluated the RefineNet on 40 SS-OCT images consisting of ~3 ...
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      Mentions: University of Sydney Shanghai Jiao Tong University

    7. Covering our tracks – optical coherence tomography to assess vascular healing

      Explore eurointervention.org Cardiology
      Covering our tracks – optical coherence tomography to assess vascular healing
      Over the better part of two decades, lessons learned from stent failure have led to technical advances that have resulted in current-generation metallic drug-eluting stents (DES) with very low rates of target lesion failure (TLF) and stent thrombosis 1 . Continued efforts have been directed at achieving iterative improvements in the design of DES to enhance adaptive vascular healing following vascular injury. By promoting early strut coverage with minimal neointimal hyperplasia ...
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      Mentions: Columbia University University of Sydney

    8. Posterior Choroidal Stroma Reduces Accuracy of Automated Segmentation of Outer Choroidal Boundary in Swept Source Optical Coherence Tomography

      Explore IOVS Journal Ophthalmology
      Posterior Choroidal Stroma Reduces Accuracy of Automated Segmentation of Outer Choroidal Boundary in Swept Source Optical Coherence Tomography
      Purpose : To determine the influence of choroidal boundary morphology on the accuracy of automated measurements of subfoveal choroidal thickness (SFCT) in swept source optical coherence tomography (SSOCT). Methods : A retrospective image analysis of foveal-centered horizontal line scans from normal and diseased eyes using the Topcon DRI OCT-1 Atlantis SSOCT was conducted. Subfoveal choroid-scleral junction (CSJ) and retina-choroidal junction (RCJ) morphologies were graded by two observers. Automated SFCT (A-SFCT) was compared ...
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      Mentions: Topcon Medical Systems University of Western Australia University of Sydney

    9. DRUNET: a dilated-residual U-Net deep learning network to segment optic nerve head tissues in optical coherence tomography images

      Explore OSA | OSA Publishing Ophthalmology
      DRUNET: a dilated-residual U-Net deep learning network to segment optic nerve head tissues in optical coherence tomography images
      Given that the neural and connective tissues of the optic nerve head (ONH) exhibit complex morphological changes with the development and progression of glaucoma, their simultaneous isolation from optical coherence tomography (OCT) images may be of great interest for the clinical diagnosis and management of this pathology. A deep learning algorithm (custom U-NET) was designed and trained to segment 6 ONH tissue layers by capturing both the local (tissue texture ...
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      Mentions: University College London Singapore Eye Research Institute National University of Singapore

    10. DRUNET: A Dilated-Residual U-Net Deep Learning Network to Digitally Stain Optic Nerve Head Tissues in Optical Coherence Tomography Images

      Explore arxiv.org Ophthalmology
      DRUNET: A Dilated-Residual U-Net Deep Learning Network to Digitally Stain Optic Nerve Head Tissues in Optical Coherence Tomography Images
      Given that the neural and connective tissues of the optic nerve head (ONH) exhibit complex morphological changes with the development and progression of glaucoma, their simultaneous isolation from optical coherence tomography (OCT) images may be of great interest for the clinical diagnosis and management of this pathology. A deep learning algorithm was designed and trained to digitally stain (i.e. highlight) 6 ONH tissue layers by capturing both the local ...
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      Mentions: University College London Singapore Eye Research Institute National University of Singapore

    11. Comparing optical coherence tomography findings in different aetiologies of infectious necrotising retinitis

      Explore BJO Online Ophthalmology
      Comparing optical coherence tomography findings in different aetiologies of infectious necrotising retinitis
      Abstract Aims To compare optical coherence tomography (OCT) features of active necrotising infectious retinitis (NIR) due to toxoplasmosis or herpesviruses and to determine distinctive OCT signs for these two causes of infectious retinitis. Methods OCT scans from eyes with active NIR due to varicella zoster virus (VZV), herpes simplex virus (HSV), cytomegalovirus (CMV), and toxoplasmosis (TOXO) were reviewed. All images were evaluated for the presence of previously described OCT findings ...
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      Mentions: University of Sydney University of Milan Giovanni Staurenghi

    12. Clinical Significance of Lipid-Rich Plaque Detected by Optical Coherence Tomography : A 4-Year Follow-Up Study

      Explore ScienceDirect Cardiology
      Clinical Significance of Lipid-Rich Plaque Detected by Optical Coherence Tomography : A 4-Year Follow-Up Study
      Background Lipid-rich plaque (LRP) is thought to be a precursor to cardiac events. However, its clinical significance in coronary arteries has never been systematically investigated. Objectives This study investigated the prevalence and clinical significance of LRP in the nonculprit region of the target vessel in patients undergoing percutaneous coronary intervention (PCI). Methods The study included 1,474 patients from 20 sites across 6 countries undergoing PCI, who had optical coherence ...
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      Mentions: University of Pittsburgh Massachusetts Institute of Technology James G. Fujimoto

    13. Feature Of The Week 05/28/2017: In Vivo 3-Dimensional Strain Mapping Confirms Large Optic Nerve Head Deformations Following Horizontal Eye Movements

      Explore Optical Coherence Tomography News Ophthalmology
      Feature Of The Week 05/28/2017: In Vivo 3-Dimensional Strain Mapping Confirms Large Optic Nerve Head Deformations Following Horizontal Eye Movements
      Glaucoma is characterized by an irreversible damage of retinal ganglion cells within the optic nerve head (ONH) at the back of the eye. Currently we know that elevated intraocular pressure (IOP) is associated with increased prevalence of glaucoma but not all glaucoma patients have an elevated IOP. The biomechanical theory of glaucoma hypothesizes that elevated (or fluctuating) IOP deforms the ONH tissues, including the lamina cribrosa (LC), and that these ...
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      Mentions: Duke University University College London National University of Singapore

    14. Accuracy of optical coherence tomography for the diagnosis of superficial basal cell carcinoma – a prospective, consecutive, cohort study of 168 cases

      Explore Wiley Online Library Dermatology , Oncology
      Accuracy of optical coherence tomography for the diagnosis of superficial basal cell carcinoma – a prospective, consecutive, cohort study of 168 cases
      ...he most expensive cancers to treat.(4) Melanoma Institute Australia, North Sydney, New South Wales, Australia University of Sydney, Sydney Medical School, Sydney, New South Wales, Australia Royal Prince Alfred Hospital, ...
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      Mentions: University of Sydney

    15. Progressive Loss of Retinal Ganglion Cells and Axons in Nonoptic Neuritis Eyes in Multiple Sclerosis: A Longitudinal Optical Coherence Tomography Study

      Explore IOVS Journal Ophthalmology
      Progressive Loss of Retinal Ganglion Cells and Axons in Nonoptic Neuritis Eyes in Multiple Sclerosis: A Longitudinal Optical Coherence Tomography Study
      Purpose : To examine the rate of retinal ganglion cell (RGC) layer and retinal nerve fiber layer (RNFL) changes in nonoptic neuritis (NON) eyes of relapsing remitting multiple sclerosis (RRMS) patients, and to find a specific imaging parameter useful for identifying disease progression. Methods : Forty-five consecutive RRMS patients and 20 age- and sex-matched healthy subjects were enrolled. All patients were followed up for 3 years with annual optical coherence tomography (OCT ...
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      Mentions: University of Sydney Alexander Klistorner

    16. Associations between preoperative OCT parameters and visual outcome 3 months postoperatively in patients undergoing vitrectomy for idiopathic epiretinal membrane

      Explore Home - Springer Ophthalmology
      Associations between preoperative OCT parameters and visual outcome 3 months postoperatively in patients undergoing vitrectomy for idiopathic epiretinal membrane
      Purpose To evaluate the effect of preoperative optical coherence tomography (OCT) features on postoperative visual acuity and change in acuity after epiretinal membrane (ERM) surgery. Methods This was a retrospective consecutive case series of patients with symptomatic idiopathic ERMs who underwent vitrectomy and membrane peel between 2008 and 2013. The main outcomes were postoperative letter score and change in letter score. The association between visual acuity and OCT features was ...
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      Mentions: University of Sydney
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  4. About University of Sydney

    University of Sydney

    University of Sydney was established in Sydney in 1850 and is the oldest university in Australia. It is a member of Australia's "Group of Eight" Australian universities that are highly ranked in terms of their research performance. In 2007, the University had 45,182 students and 3,018 academic staff making it the second largest in Australia. By financial endowment it is one of the wealthiest universities in Australia.

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