1. University of Coimbra

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    1. Mentioned In 28 Articles

    2. An optical coherence tomography-based grading of diabetic maculopathy proposed by an international expert panel: The European School for Advanced Studies in Ophthalmology classification

      An optical coherence tomography-based grading of diabetic maculopathy proposed by an international expert panel: The European School for Advanced Studies in Ophthalmology classification
      Aims: To present an authoritative, universal, easy-to-use morphologic classification of diabetic maculopathy based on spectral domain optical coherence tomography. Methods: The first draft of the project was developed based on previously published classifications and a literature search regarding the spectral domain optical coherence tomography quantitative and qualitative features of diabetic maculopathy. This draft was sent to an international panel of retina experts for a first revision. The panel met at ...
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    3. Sexual Dimorphism of the Adult Human Retina Assessed by Optical Coherence Tomography

      Sexual Dimorphism of the Adult Human Retina Assessed by Optical Coherence Tomography
      In this work, we imaged the retina of healthy age-matched female and male subjects with optical coherence tomography to assess the existence of localised sex-related differences in the retina. Texture analysis revealed statistically significant differences spread over the different layers of the neuroretina, particularly at the ganglion cell, inner plexiform and inner nuclear layers, and also spread in the macula. These results suggest that sexual dimorphism is expressed in the ...
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    4. Microperimetry in age-related macular degeneration: association with macular morphology assessed by optical coherence tomography

      Microperimetry in age-related macular degeneration: association with macular morphology assessed by optical coherence tomography
      Background/aims Microperimetry is a technique that is increasingly used to assess visual function in age-related macular degeneration (AMD). In this study, we aimed to evaluate the relationship between retinal sensitivity measured with macular integrity assessment (MAIA) microperimetry and optical coherence tomography (OCT)-based macular morphology in AMD. Methods Prospective, cross-sectional study. All participants were imaged with colour fundus photographs used for AMD staging (Age-Related Eye Disease Study scale), spectral-domain ...
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    5. OPTICAL COHERENCE TOMOGRAPHY LEAKAGE IN NEOVASCULAR AGE-RELATED MACULAR DEGENERATION

      OPTICAL COHERENCE TOMOGRAPHY LEAKAGE IN NEOVASCULAR AGE-RELATED MACULAR DEGENERATION
      Purpose: To test optical coherence tomography leakage in the identification and quantification of choroidal neovascularizationrelated fluid, its change after antivascular endothelial growth factor therapy in neovascular age-related macular degeneration eyes and its relation to functional outcome. Methods: Prospective analysis of a cohort of neovascular age-related macular degeneration cases treated with 2.0-mg intravitreal aflibercept. Eyes included were analyzed before, 1-week, and 1-month after one injection. Best-corrected visual acuity was assessed ...
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    6. Choroidal thickness and vascular density in macular telangiectasia type 2 using enface swept-source optical coherence tomography

      Choroidal thickness and vascular density in macular telangiectasia type 2 using enface swept-source optical coherence tomography
      Purpose To investigate the choroidal thickness (CT) and choroidal vascular densities (CVD) of patients with macular telangiectasia type 2 (MacTel2) and their association with other multimodal imaging features, using swept-source optical coherence tomography (SS-OCT). Methods Prospective, cross-sectional study. Consecutive patients with MacTel2 along with controls without any macular disease were included. Fundus photography, confocal blue reflectance, near-infrared reflectance, autofluorescence, fluorescein angiography, spectral domain OCT and SS-OCT were performed. Images were ...
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    7. MEASUREMENTS OF RETINAL FLUID BY OPTICAL COHERENCE TOMOGRAPHY LEAKAGE IN DIABETIC MACULAR EDEMA: A Biomarker of Visual Acuity Response to Treatment

      MEASUREMENTS OF RETINAL FLUID BY OPTICAL COHERENCE TOMOGRAPHY LEAKAGE IN DIABETIC MACULAR EDEMA: A Biomarker of Visual Acuity Response to Treatment
      Purpose: To evaluate the effects of antivascular endothelial growth factor treatment on retinal fluid in patients with diabetic macular edema by using optical coherence tomography leakage (OCT-L), a new method of quantifying sites of lower than normal optical reflectivity (LOR) in OCT, and to correlate these findings with best-corrected visual acuity (BCVA) response. Methods: Prospective analysis of 21 eyes with diabetic macular edema , naive to antivascular endothelial growth factor treatment ...
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    8. Method And Equipment For Central Nervous System Characterization From Retina OCT Imaging Data

      Method And Equipment For Central Nervous System Characterization From Retina OCT Imaging Data
      Data processing method and computer equipment for the characterization of a parametric indicator for central nervous system health status based on data collected from non-invasive retina imaging by optical coherence tomography, OCT, said method comprising: processing data from the collected OCT data to compute a texture parameter or parameters from collected fundus imaging data; classifying the computed texture parameter or parameters into a central nervous system health status for characterizing ...
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    9. Optical coherence tomography angiography characterization of acute and late stage Purtscher retinopathy

      Optical coherence tomography angiography characterization of acute and late stage Purtscher retinopathy
      Purpose: To report a case of Purtscher retinopathy imaged with optical coherence tomography angiography. Methods: Case-report. Left eye fundoscopic examination in a 21-year old male after a road traffic accident with chest compression revealed multiple peri-papillary cotton-wool spots and intra- and pre-retinal hemorrhages. A diagnosis of Purtscher retinopathy was assumed. Results: In both the superficial and deep retinal plexuses, acute stage optical coherence tomography angiography identified multiple irregular areas of ...
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    10. Evaluation of choroidal lesions with swept-source optical coherence tomography

      Evaluation of choroidal lesions with swept-source optical coherence tomography
      Aims The aim of our study was to image choroidal lesions with swept-source optical coherence tomography (SS-OCT) and to identify the morphological characteristics associated with optimal visualisation. Methods This was a prospective, cross-sectional study. Patients with choroidal melanocytic lesions 3mm in thickness on B-scan ultrasonography were recruited. All participants underwent SS-OCT. On SS-OCT we evaluated qualitative (eg, lesion outline, detection of scleral-choroidal interface and quality of the image) and quantitative ...
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    11. Multimodal Evaluation of the Fellow Eye of Patients with Retinal Angiomatous Proliferation

      Multimodal Evaluation of the Fellow Eye of Patients with Retinal Angiomatous Proliferation
      Introduction: We conducted a multimodal, cross-sectional evaluation. Methods: Eyes were divided into 4 study groups: controls, early/intermediate age-related macular degeneration (AMD), fellow eyes of retinal angiomatous proliferation (RAP), and RAP eyes. Patients were evaluated with spectral-domain optical coherence tomography (OCT), enhanced depth imaging-OCT, and OCT angiography (OCTA). OCTA images were processed to generate maps of the vessel density and perfusion density of the superficial and deep retinal layers (SRL ...
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    12. Agreement between OCT Leakage and Fluorescein Angiography to Identify Sites of Alteration of the Blood–Retinal Barrier in Diabetes

      Agreement between OCT Leakage and Fluorescein Angiography to Identify Sites of Alteration of the Blood–Retinal Barrier in Diabetes
      Purpose To compare the location of the sites of lower reflectivity, as determined by OCT leakage using spectral domain (SD)-OCT, with sites of fluorescein leakage identified by fluorescein angiography (FA) in eyes with diabetic retinopathy. Design Prospective consecutive case series. Participants Fifty-two eyes from 28 patients with type 2 diabetes and presence of nonproliferative diabetic retinopathy. Methods All patients were imaged with FA and SD-OCT (Angioplex, Carl Zeiss Meditec ...
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    13. 1-15 of 28 1 2 »
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  2. About University of Coimbra

    University of Coimbra

    University of Coimbra is a Portuguese public university in Coimbra, Portugal. It is one of the oldest universities in continuous operation in Europe and the world, the oldest university of Portugal, and one of its largest higher education and research institutions.