1. Johns Hopkins University

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    1. Mentioned In 441 Articles

    2. Johns Hopkins University Receives NIH Grant for Artificial Intelligence Optical Coherence Tomography Guided Deep Anterior Lamellar Kerotoplasty (Auto-Dalk)

      Explore Optical Coherence Tomography News Ophthalmology , Funding
      Johns Hopkins University Receives NIH Grant for Artificial Intelligence Optical Coherence Tomography Guided Deep Anterior Lamellar Kerotoplasty (Auto-Dalk)
      ...he manually performed trephine cutting and Big Bubble pneumodissection.

      Johns Hopkins University Receives a 2021 NIH Grant for $409,997 for Artificial Intelligence Optical Coher...

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      Mentions: Johns Hopkins University National Institutes of Health Jin U. Kang

    3. Standardization of optical coherence tomography angiography nomenclature in retinal vascular diseases: first survey results

      Explore ScienceDirect Ophthalmology
      Standardization of optical coherence tomography angiography nomenclature in retinal vascular diseases: first survey results
      Purpose: To develop a consensus nomenclature for optical coherence tomography angiography (OCTA) findings in retinal vascular diseases. Design: Online survey using Delphi Method SUBJECTS, PARTICIPANTS AND/OR CONTROLS: Members of The Retina Society, European Society of Retina Specialists (EURETINA) and the Japanese Retina and Vitreous Society (JRVS). Methods, intervention, or testing: An online questionnaire on OCTA terminology in retinal vascular diseases was sent to members of The Retina Society, EURETINA ...
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      Mentions: Johns Hopkins University Case Western Reserve University Sebastian Wolf

    4. Stick-slip nonuniform rotation distortion correction in distal scanning optical coherence tomography catheters

      Explore Home (World Scientific) Gastroenterology , Probes
      Stick-slip nonuniform rotation distortion correction in distal scanning optical coherence tomography catheters
      We present a robust and fiducial-marker-free algorithm that can identify and correct stick-slip distortion caused by nonuniform rotation (or beam scanning) in distally scanned catheters for endoscopic optical coherence tomography (OCT) images. This algorithm employs spatial frequency analysis to select and remove distortions. We demonstrate the feasibility of this algorithm on images acquired from ex vivo rat colon with a distally scanned DC motor-based endoscope. The proposed algorithm can be ...
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      Mentions: Johns Hopkins University Xingde Li

    5. Historic Effort to 'End Blindness" Marks a Major Milestone with Leading Scientist Recognized for Pioneering Work at VIP Ceremony Featuring Tribute To Ruth Bader Ginsburg

      Explore Optical Coherence Tomography News Ophthalmology
      Historic Effort to 'End Blindness" Marks a Major Milestone with Leading Scientist Recognized for Pioneering Work at VIP Ceremony Featuring Tribute To Ruth Bader Ginsburg
      ...hich will resound through history,” according to Dr. Peter McDonnell, director of the Wilmer Eye Institute at the Johns Hopkins University School of Medicine and a member of the End Blindness National Governing Council. ...
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      Mentions: Johns Hopkins University Massachusetts Institute of Technology L V Prasad Eye Institute

    6. Deep OCT image compression with convolutional neural networks

      Explore OSA | OSA Publishing
      Deep OCT image compression with convolutional neural networks
      We report an end-to-end image compression framework for retina optical coherence tomography (OCT) images based on convolutional neural networks (CNNs), which achieved an image size compression ratio as high as 80. Our compression scheme consists of three parts: data preprocessing, compression CNNs, and reconstruction CNNs. The preprocessing module was designed to reduce OCT speckle noise and segment out the region of interest. Skip connections with quantization were developed and added ...
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      Mentions: Johns Hopkins University Xingde Li

    7. Optical coherence tomography angiography of astrocytic hamartoma demonstrates intrinsic vascularity

      Explore ScienceDirect Ophthalmology
      Optical coherence tomography angiography of astrocytic hamartoma demonstrates intrinsic vascularity
      Purpose To evaluate the findings of astrocytic hamartoma in the setting of gyrate atrophy, including details of optical coherence tomography angiography (OCTA). Observations Multimodal imaging was obtained on a 20-year-old woman with genetically-confirmed gyrate atrophy. Dilated fundus exam was performed, followed by ultra-widefield color and green autofluorescence imaging and OCTA of bilateral peripapillary and optic disc lesions. Clinical and imaging findings were consistent with gyrate atrophy. The bilateral peripapillary and ...
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      Mentions: Johns Hopkins University

    10. Optical flow optical coherence tomography for determining accurate velocity fields

      Explore OSA | OSA Publishing
      Optical flow optical coherence tomography for determining accurate velocity fields
      Determining micron-scale fluid flow velocities using optical coherence tomography (OCT) is important in both biomedical research and clinical diagnosis. Numerous methods have been explored to quantify the flow information, which can be divided into either phase-based or amplitude-based methods. However, phase-based methods, such as Doppler methods, are less sensitive to transverse velocity components and suffer from wrapped phase and phase instability problems for axial velocity components. On the other hand ...
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      Mentions: Johns Hopkins University Jin U. Kang

    11. Machine Learning Techniques for Ophthalmic Data Processing: A Review

      Explore IEEE Xplore
      Machine Learning Techniques for Ophthalmic Data Processing: A Review
      Machine learning and especially deep learning techniques are dominating medical image and data analysis. This article reviews machine learning approaches proposed for diagnosing ophthalmic diseases during the last four years. Three diseases are addressed in this survey, namely diabetic retinopathy, age-related macular degeneration, and glaucoma. The review covers over 60 publications and 25 public datasets and challenges related to the detection, grading, and lesion segmentation of the three considered diseases ...
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      Mentions: Johns Hopkins University Carl Zeiss Meditec Technical University of Munich

    12. In vivo assessment of vascular-targeted photodynamic therapy effects on tumor microvasculature using ultrahigh-resolution functional optical coherence tomography

      Explore OSA | OSA Publishing
      In vivo assessment of vascular-targeted photodynamic therapy effects on tumor microvasculature using ultrahigh-resolution functional optical coherence tomography
      Abstract Vascular-targeted photodynamic therapy (VTP) is an emerging treatment for tumors. The change of tumor vasculatures, including a newly-formed microvascular, in response to VTP, is a key assessment parameter for optimizing the treatment effect. However, an accurate assessment of vasculature, particularly the microvasculatures changes in vivo , remains challenging due to the limited resolution afforded by existing imaging modalities. In this study, we demonstrated the in vivo imaging of VTP effects ...
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      Mentions: Johns Hopkins University The Chinese University of Hong Kong Xingde Li

    13. Comparison of widefield swept-source optical coherence tomography angiography with ultra-widefield colour fundus photography and fluorescein angiography for detection of lesions in diabetic retinopathy

      Explore BJO Online Ophthalmology
      Comparison of widefield swept-source optical coherence tomography angiography with ultra-widefield colour fundus photography and fluorescein angiography for detection of lesions in diabetic retinopathy
      Aims To compare widefield swept-source optical coherence tomography angiography (WF SS-OCTA) with ultra-widefield colour fundus photography (UWF CFP) and fluorescein angiography (UWF FA) for detecting diabetic retinopathy (DR) lesions. Methods This prospective, observational study was conducted at Massachusetts Eye and Ear from December 2018 to October 2019. Proliferative DR, non-proliferative DR and diabetic patients with no DR were included. All patients were imaged with a WF SS-OCTA using a Montage ...
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      Mentions: Johns Hopkins University Harvard University Boston University

    15. Outer retina changes on optical coherence tomography in vitamin A deficiency

      Explore journalretinavitreous.biomedcentral.com Ophthalmology
      Outer retina changes on optical coherence tomography in vitamin A deficiency
      Background Vitamin A deficiency is rare in the United States and can be missed in patients with malabsorption syndromes without a high dose of suspicion. Ocular complications of hypovitaminosis A include xerosis and nyctalopia, and to a lesser extent reduction in visual acuity and color vision. Outer retinal changes, as seen on spectral domain optic coherence tomography (SD-OCT), in patients with vitamin A deficiency have previously not been documented. Case ...
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      Mentions: Johns Hopkins University

    16. Accuracy of optical coherence tomography for diagnosing glaucoma: an overview of systematic reviews

      Explore BJO Online Ophthalmology
      Accuracy of optical coherence tomography for diagnosing glaucoma: an overview of systematic reviews
      Aims To assess the diagnostic accuracy (DTA) of optical coherence tomography (OCT) for detecting glaucoma by systematically searching and appraising systematic reviews (SRs) on this issue. Methods We searched a database of SRs in eyes and vision maintained by the Cochrane Eyes and Vision United States on the DTA of OCT for detecting glaucoma. Two authors working independently screened the records, abstracted data and assessed the risk of bias using ...
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      Mentions: Johns Hopkins University University of Florence University of Colorado
    17. 1-15 of 441 1 2 3 4 ... 28 29 30 »
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  4. About Johns Hopkins University

    Johns Hopkins University

    John Hopkins University mission is to educate its students and cultivate their capacity for life-long learning, to foster independent and original research, and to bring the benefits of discovery to the world.  Hopkins now uses one overarching name - Johns Hopkins Medicine -to identify its whole medical enterprise. This $4 billion virtual organization unites the physicians and scientists of The Johns Hopkins University School of Medicine with the health professionals and facilities that make up the broad Johns Hopkins Health System.  The Wilmer Eye Institute at Johns Hopkins has long been recognized for bringing together ophthalmologists consistently ranked by their peers as among the finest internationally, with a specially trained and highly experienced team of nurses cited by patients for their knowledge, responsiveness, and sensitivity. Johns Hopkins Multiple Sclerosis Center is one of the largest clinical and research MS centers in the world.

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