1. University of São Paulo

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    1. Mentioned In 85 Articles

    2. SURGICAL REMOVAL OF EPIRETINAL MEMBRANE WITH AND WITHOUT REMOVAL OF INTERNAL LIMITING MEMBRANE Comparative Study of Visual Acuity, Features of Optical Coherence Tomography, and Recurrence Rate

      SURGICAL REMOVAL OF EPIRETINAL MEMBRANE WITH AND WITHOUT REMOVAL OF INTERNAL LIMITING MEMBRANE Comparative Study of Visual Acuity, Features of Optical Coherence Tomography, and Recurrence Rate
      Purpose: To study and compare visual acuity, foveal thickness, outer limiting layer, ellipsoid zone, and recurrence rate in patients undergoing removal of the epiretinal membrane with and without the removal of the internal limiting membrane (ILM). Methods: Sixty-three patients who had the epiretinal membrane removed by a single surgeon were randomly assigned into 2 groups: Group 1 without additional removal of the ILM and Group 2 with removal of the ...
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    3. Architecture evaluation of the main clear corneal incisions in femtosecond laser-assisted cataract surgery by optical coherence tomography imaging

      Architecture evaluation of the main clear corneal incisions in femtosecond laser-assisted cataract surgery by optical coherence tomography imaging
      Purpose: To assess the stability and reliability of femtosecond laser-assisted cataract surgery (FLACS) incisions design and dimensions using anterior segment optical coherence tomography (AS-OCT) imaging. Setting: Renato Ambrsio Ophthalmologic Study Center from Hospital Oftalmolgico de Braslia, Braslia, Brazil. Design: Prospective nonrandomized controlled case series. Methods: Eyes undergoing FLACS with triplanar main temporal clear corneal incision (CCI) were evaluated at the end of the case. Eyes that required any incision hydration ...
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    4. Optimized Automated Segmentation and 3D Reconstruction Using Intracoronary Optical Coherence Tomography

      Optimized Automated Segmentation and 3D Reconstruction Using Intracoronary Optical Coherence Tomography
      Real time segmentation and three-dimensional (3D) reconstruction of the coronary arteries is challenging and limited by the increased computational time of the developed computer-aided methods. We present a novel and time-efficient method for intracoronary lumen detection which produces 3D coronary arteries using Optical Coherence Tomographic (OCT) images. OCT images are acquired for multiple patients and longitudinal cross-section (LOCS) images are reconstructed using different acquisition angles. The lumen contours for each ...
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    5. Multiple Research Scientist and Postdoctoral Positions in Computer Aided Diagnosis Department of Biomedical Engineering, Texas A&M University, College Station-Texas

      Multiple Research Scientist and Postdoctoral Positions in Computer Aided Diagnosis Department of Biomedical Engineering, Texas A&M University, College Station-Texas
      The Laboratory for Optical Diagnosis and Imaging ( http://biomed.tamu.edu/LODI ) in the Department of Biomedical Engineering at Texas AM University invites applications for multiple research scientist and postdoctoral positions in the area of computer aided diagnosis (CAD) system development. Ideal candidates should have substantial experience in 2D and 3D pattern recognition, computer vision, image analysis, and machine learning. Experience in both deep learning and medical imaging analysis is ...
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    6. Multiple Research Scientist and Postdoctoral Positions in Endoscopic Instrumentation Department of Biomedical Engineering, Texas A&M University, College Station-Texas

      Multiple Research Scientist and Postdoctoral Positions in Endoscopic Instrumentation Department of Biomedical Engineering, Texas A&M University, College Station-Texas
      The Laboratory for Optical Diagnosis and Imaging ( http://biomed.tamu.edu/LODI ) in the Department of Biomedical Engineering at Texas AM University invites applications for multiple research scientist and postdoctoral positions in the area of endoscopic instrumentation development. Ideal candidates should have expertise in optical design, data acquisition instrumentation and software development, and substantial demonstrated experience in optical imaging and/or spectroscopic instrumentation design and implementation. Experience in fluorescence lifetime ...
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    7. SURGICAL REMOVAL OF EPIRETINAL MEMBRANE WITH AND WITHOUT REMOVAL OF INTERNAL LIMITING MEMBRANE: Comparative Study of Visual Acuity, Features of Optical Coherence Tomography, and Recurrence Rate

      SURGICAL REMOVAL OF EPIRETINAL MEMBRANE WITH AND WITHOUT REMOVAL OF INTERNAL LIMITING MEMBRANE: Comparative Study of Visual Acuity, Features of Optical Coherence Tomography, and Recurrence Rate
      Purpose: To study and compare visual acuity, foveal thickness, outer limiting layer, ellipsoid zone, and recurrence rate in patients undergoing removal of the epiretinal membrane with and without the removal of the internal limiting membrane (ILM). Methods: Sixty-three patients who had the epiretinal membrane removed by a single surgeon were randomly assigned into 2 groups: Group 1 without additional removal of the ILM and Group 2 with removal of the ...
      Read Full Article
    8. Optimized computer-aided segmentation and 3D reconstruction using intracoronary optical coherence tomography

      Optimized computer-aided segmentation and 3D reconstruction using intracoronary optical coherence tomography
      We present a novel and time-efficient method for intracoronary lumen detection which produces three-dimensional (3D) coronary arteries using Optical Coherence Tomographic (OCT) images. OCT images are acquired for multiple patients and longitudinal cross-section (LOCS) images are reconstructed using different acquisition angles. The lumen contours for each LOCS image are extracted and translated to 2D cross-sectional images. Using two angiographic projections the centerline of the coronary vessel is reconstructed in 3D ...
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    9. OPTICAL COHERENCE TOMOGRAPHY ANALYSIS OF OUTER RETINAL TUBULATIONS: Sequential Evolution and Pathophysiological Insights

      OPTICAL COHERENCE TOMOGRAPHY ANALYSIS OF OUTER RETINAL TUBULATIONS: Sequential Evolution and Pathophysiological Insights
      Purpose: To describe the sequential evolution of outer retinal tubulations (ORTs) in patients diagnosed with choroidal neovascularization and/or retinal pigment epithelium atrophy. Methods: Retrospective evaluation of spectral domain optical coherence tomography of a consecutive cohort of patients with various retinal conditions. Results: We reviewed the clinical findings of 238 eyes of 119 consecutive patients (54 men and 65 women) with a mean age of 76.2 +/- 14.2 years ...
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    10. Structure-functional correlation using adaptive optics, OCT, and microperimetry in a case of occult macular dystrophy

      Structure-functional correlation using adaptive optics, OCT, and microperimetry in a case of occult macular dystrophy
      We report retinal functional and structural changes of a 40-year-old man diagnosed with occult macular dystrophy. Comprehensive ophthalmological evaluation was performed, followed by spectral-domain optical coherence tomography (SD-OC - Heidelberg) and image acquisition using an adaptive optics (AO) camera (RTX1, Imagine Eyes) for photoreceptor density analysis. Functional tests included full-field ERG (ERG) and multifocal electroretinography (mfERG) (Diagnosys, LLC) and microperimetry with scanning laser ophthalmoscope (SLO) fixation controlled (MAIA, CenterVUE). OCT revealed ...
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    11. Approaches to segment stent area from Intravascular Optical Coherence Tomography

      Approaches to segment stent area from Intravascular Optical Coherence Tomography
      Introduction Cardiovascular diseases (CVD) have been the focus of research in recent years due to its high mortality rate. It is estimated that 17.5 million people died of CVD in 2012, from which 7.4 million were due to coronary heart disease (CHD). In order to monitor CHD patients and avoid waste of specialists' time, this study proposes the development of a method that segments the area contained by ...
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    12. Fully automated lumen segmentation of intracoronary optical coherence tomography images

      Fully automated lumen segmentation of intracoronary optical coherence tomography images
      Optical coherence tomography (OCT) provides high-resolution cross-sectional images of arterial luminal morphology. Traditionally lumen segmentation of OCT images is performed manually by expert observers; a laborious, time consuming effort, sensitive to inter-observer variability process. Although several automated methods have been developed, the majority cannot be applied in real time because of processing demands. To address these limitations we propose a new method for rapid image segmentation of arterial lumen borders ...
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    13. Cosmetics, Vol. 4, Pages 2: In Vitro Methodologies to Evaluate the Effects of Hair Care Products on Hair Fiber

      Cosmetics, Vol. 4, Pages 2: In Vitro Methodologies to Evaluate the Effects of Hair Care Products on Hair Fiber
      Consumers use different hair care products to change the physical appearance of their hair, such as shampoos, conditioners, hair dye and hair straighteners. They expect cosmetics products to be available in the market to meet their needs in a broad and effective manner. Evaluating efficacy of hair care products in vitro involves the use of highly accurate equipment. This review aims to discuss in vitro methodologies used to evaluate the ...
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    14. Choroidal and Retinal Abnormalities by Optical Coherence Tomography in Endogenous Cushing’s Syndrome

      Choroidal and Retinal Abnormalities by Optical Coherence Tomography in Endogenous Cushing’s Syndrome
      Context: Cortisol has been suggested as a risk factor for choroidal thickening, which may lead to retinal changes. Objective: To compare choroidal thickness measurements using optical coherence tomography (OCT) in patients with endogenous active Cushings syndrome (CS) and to evaluate the occurrence of retinal abnormalities in the same group of patients. Design: Cross-sectional study. Setting: Outpatient clinic. Patients: Eleven female patients with CS in hypercortisolism state as determined by the ...
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  2. About University of São Paulo

    University of São Paulo

    University of São Paulo (USP) is the largest institution dedicated to higher education and research in Brazil. A large part of the Brazilian masters and PhDs receive their training here. This website will tell you a little more about our structure, application procedures and the services we offer to students from abroad.