1. Universidade Federal de São Paulo

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    1. Mentioned In 78 Articles

    2. Choroidal nonperfusion on optical coherence tomography angiography in a case of unilateral posterior segment ocular sarcoidosis misdiagnosed as MEWDS

      Explore ScienceDirect Ophthalmology
      Choroidal nonperfusion on optical coherence tomography angiography in a case of unilateral posterior segment ocular sarcoidosis misdiagnosed as MEWDS
      Purpose To report a case of presumed ocular sarcoidosis initially presenting with features of multiple evanescent white dot syndrome (MEWDS) with atypical optical coherence tomography angiography (OCTA) findings. Observations A 23 year-old woman presented with a unilateral central scotoma, photophobia, and decreased visual acuity after a viral illness. Examination of the right eye revealed multiple round white macular spots and stippled granularity at the fovea. Multimodal imaging with fluorescein angiography ...
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      Mentions: Universidade Federal de São Paulo Tufts University Nadia K. Waheed

    3. Characteristics of the Filtering Bleb and the Agreement between Glaucoma Specialist and Anterior Segment OCT Assessment.

      Explore Karger Publishers Ophthalmology
      Characteristics of the Filtering Bleb and the Agreement between Glaucoma Specialist and Anterior Segment OCT Assessment.
      Introduction: This study aimed to evaluate the characteristics of the filtering bleb in failed late trabeculectomy and the agreement between glaucoma specialist assessment and anterior segment optical coherence tomography (AS OCT) system assessment in terms of the presence of subconjunctival fluid in the filtering bleb. Methods: Patients with a diagnosis of glaucoma who were scheduled to undergo trabeculectomy in at least one eye and with uncontrolled intraocular pressure (IOP) were ...
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      Mentions: Universidade Federal de São Paulo Carl Zeiss Meditec

    4. Artificial Intelligence Mapping of Structure to Function in Glaucoma

      Explore TVST Journal Ophthalmology
      Artificial Intelligence Mapping of Structure to Function in Glaucoma
      Purpose : To develop an artificial intelligence (AI)based structure-function (SF) map relating retinal nerve fiber layer (RNFL) damage on spectral domain optical coherence tomography (SDOCT) to functional loss on standard automated perimetry (SAP). Methods : The study included 26,499 pairs of SAP and SDOCT from 15,173 eyes of 8878 patients with glaucoma or suspected of having the disease extracted from the Duke Glaucoma Registry. The data set was randomly ...
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      Mentions: Universidade Federal de São Paulo Duke University Felipe A. Medeiros

    5. Reliability of foveal avascular zone measurements in eyes with retinal vein occlusion using optical coherence tomography angiography

      Explore Home - Springer Ophthalmology
      Reliability of foveal avascular zone measurements in eyes with retinal vein occlusion using optical coherence tomography angiography
      Background To evaluate the reliability of foveal avascular zone (FAZ) area measurements using optical coherence tomography angiography (OCTA) in eyes with retinal vein occlusion (RVO). Methods Twenty-five OCTA exams of patients with RVO were evaluated retrospectively. Three examiners performed manual measurements of the FAZ, and interrater and intrarater reliability were obtained. Results The intraclass correlation coefficient (ICC) for interrater reliability for individual measurements was 0.62 (moderate) with a 95 ...
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      Mentions: Universidade Federal de São Paulo

    6. New findings useful for clinical practice using swept-source optical coherence tomography angiography in the follow-up of active ocular toxoplasmosis

      Explore journalretinavitreous.biomedcentral.com Ophthalmology
      New findings useful for clinical practice using swept-source optical coherence tomography angiography in the follow-up of active ocular toxoplasmosis
      Background Ocular toxoplasmosis is one of the most common causes of intraocular inflammation and posterior uveitis in immunocompetent patients. This paper aims to investigate swept-source optical coherence tomography angiography (SS-OCTA) findings in eyes with active toxoplasmic retinochoroiditis. Methods This case series was conducted from November 2017 through October 2019 in two Brazilian centers. 15 eyes of 15 patients with active toxoplasmic retinochoroiditis were included, and were imaged at baseline and ...
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      Mentions: Universidade Federal de São Paulo

    7. Optical coherence tomography angiography using the black-and-white pixel binarization histogram software: a new technique for evaluating healing of macular holes in two surgical techniques

      Explore journalretinavitreous.biomedcentral.com Ophthalmology
      Optical coherence tomography angiography using the black-and-white pixel binarization histogram software: a new technique for evaluating healing of macular holes in two surgical techniques
      Background Many factors can influence the functional outcomes of macular hole surgery and some studies have tried to describe anatomical features that could predict successful treatment. The purpose of this study is to describe a new technique for evaluating the healing of macular holes after two surgical techniques using a black-and-white pixel binarization histogram software by optical coherence tomography angiography and its potential functional implications. Methods This was a retrospective ...
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      Mentions: Universidade Federal de São Paulo

    8. Optical coherence tomography in the evaluation of retinitis pigmentosa

      Explore Taylor & Francis Online Ophthalmology
      Optical coherence tomography in the evaluation of retinitis pigmentosa
      Background Optical coherence tomography (OCT) is a non-invasive imaging test that provides easily obtainable and highly reproducible cross-sectional images of the retina. Improved modalities of the OCT that are capable of providing high quality images of not only the retina, but also the deeper structures and vasculature have been developed, including swept-source OCTs and OCT angiography. Materials and methods Review. Results The use of OCT in the monitoring of retinitis ...
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      Mentions: Universidade Federal de São Paulo Columbia University Federal University of Pernambuco

    10. Impact of manual correction over automated segmentation of spectral domain optical coherence tomography

      Explore journalretinavitreous.biomedcentral.com Ophthalmology
      Impact of manual correction over automated segmentation of spectral domain optical coherence tomography
      Objective To study the automated segmentation of retinal layers using spectral domain optical coherence tomography (OCT) and the impact of manual correction over segmentation mistakes. Methods This was a retrospective, cross-sectional, comparative study that compared the automated segmentation of macular thickness using Spectralis OCT technology (Heidelberg Engineering, Heidelberg, Germany) versus manual segmentation in eyes with no macular changes, macular cystoid edema (CME), and choroidal neovascularization (CNV). Automated segmentation of macular ...
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      Mentions: Universidade Federal de São Paulo Heidelberg Engineering

    11. Correlation between B-scan optical coherence tomography, en face thickness map ring and hyperautofluorescent ring in retinitis pigmentosa patients

      Explore Home - Springer Ophthalmology
      Correlation between B-scan optical coherence tomography, en face thickness map ring and hyperautofluorescent ring in retinitis pigmentosa patients
      Objective To evaluate and compare the B-scan OCT loss of ellipsoid zone, OCT en face thickness map constriction, and hyperautofluorescent ring constriction in RP patients. Methods Retrospective case series study. Forty-eight eyes of 24 RP patients with a parafoveal hyperautofluorescent ring were studied. The diagnosis of RP was established by the presence of rod response impairment and a prevalent decrease of scotopic over photopic responses on electroretinography. The FAF and ...
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      Mentions: Universidade Federal de São Paulo Cornell University Columbia University

    12. Architecture evaluation of the main clear corneal incisions in femtosecond laser-assisted cataract surgery by optical coherence tomography imaging

      Explore Medical Journals Publisher Ophthalmology
      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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      Mentions: Universidade Federal de São Paulo Baylor College of Medicine University of São Paulo

    13. Novel application of anterior segment optical coherence tomography for periocular imaging

      Explore ScienceDirect Ophthalmology
      Novel application of anterior segment optical coherence tomography for periocular imaging
      Objective This study aims to assess the use of optical coherence tomography (OCT) imaging for periocular skin lesions and to determine which characteristic features of these images can be correlated to histopathology . Design This is an ongoing prospective study with Research Ethics Board approval. Participants Fifty patients over 18 years old with lesions clinically suspicious of nonmelanoma skin cancer on the periocular region were included in this study. Methods After ...
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      Mentions: Universidade Federal de São Paulo Optovue

    14. Retinal nerve fiber layer analysis in cocaine users

      Explore ScienceDirect Ophthalmology
      Retinal nerve fiber layer analysis in cocaine users
      Cocaine is a well-known factor of tissue ischemia and may be related to thinning of the inner retinal layers. The present study aimed to evaluate and determine whether cocaine users show retinal nerve fiber layer (RNFL) thinning by means of spectral-domain optical coherence tomography. A group of 17 cocaine users and 18 non-users were recruited for complete ophthalmologic examination. Spectral domain optical coherence tomography (Cirrus OCT) was used to evaluate ...
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      Mentions: Universidade Federal de São Paulo

    15. Repeatability of Split-Spectrum Amplitude-Decorrelation Angiography to Assess Capillary Perfusion Density Within Optical Coherence Tomography

      Explore Healio.com Ophthalmology
      Repeatability of Split-Spectrum Amplitude-Decorrelation Angiography to Assess Capillary Perfusion Density Within Optical Coherence Tomography
      BACKGROUND AND OBJECTIVE: To evaluate the repeatability of retinal thickness and vascular density measurements using split-spectrum amplitude-decorrelation angiography (SSADA) with optical coherence tomography (OCT). PATIENTS AND METHODS: Forty patients were divided into seven categories according to their diagnosis: no retinopathy (control), retinal vein occlusion, diabetes with no retinopathy, diabetes with retinopathy, non-exudative age-related macular degeneration (AMD), exudative AMD, and epiretinal membrane. Capillary density and retinal thickness measurements were taken and ...
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      Mentions: Universidade Federal de São Paulo Cleveland Clinic

    16. OPTICAL COHERENCE TOMOGRAPHY ANGIOGRAPHY FINDINGS IN ACUTE RETINAL NECROSIS

      Explore LWW Online Ophthalmology
      OPTICAL COHERENCE TOMOGRAPHY ANGIOGRAPHY FINDINGS IN ACUTE RETINAL NECROSIS
      Purpose: To report clinical features of acute retinal necrosis (ARN) using optical coherence tomography angiography . Methods: A 59-year-old female patient presented with blurred vision in the left eye for 1 day. The patient presented posterior uveitis with multiple peripheral areas of retinal pallor with presumed acute retinal necrosis . Herpes simplex virus Type 1 infection was confirmed after serologic tests, and the polymerase chain reaction analysis of the aqueous humor tested ...
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      Mentions: Universidade Federal de São Paulo
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  4. About Universidade Federal de São Paulo

    Universidade Federal de São Paulo

    Universidade Federal de São Paulo plays a strategic role in the global progress of nations and constitutes an essential pillar in developing countries.  A university with a solid structure is one of the main foundations of national autonomy. Thus, every country that aims at being self-sufficient has to generate its own knowledge and avoid relying on imported technology.  The importance of research must be emphasized since it is the basis for a promising future.

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    3. The Role of Spectral-Domain OCT in the Diagnosis and Management of Neovascular Age-Related Macular Degeneration
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