1. University of Southern California

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    1. Mentioned In 380 Articles

    2. The Effect of Medical Lowering of Intraocular Pressure on Peripapillary and Macular Blood Flow as Measured by Optical Coherence Tomography Angiography in Treatment-naïve Eyes

      The Effect of Medical Lowering of Intraocular Pressure on Peripapillary and Macular Blood Flow as Measured by Optical Coherence Tomography Angiography in Treatment-naïve Eyes
      Prcis: Reduction of intraocular pressure by latanoprost in treatment-nave eyes is significantly correlated to an increase in vessel density at the optic nerve head. Purpose: To evaluate the effect of topical latanoprost on ocular microvasculature using optical coherence tomography angiography (OCTA). Patients and methods: In this prospective case-control study, 26 eyes from 18 treatment-nave subjects in whom prostaglandin analogue (PGA) latanoprost 0.005% was initiated, were included as cases. In ...
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    3. Assessing accommodative presbyopic biometric changes of the entire anterior segment using single swept-source OCT image acquisitions

      Assessing accommodative presbyopic biometric changes of the entire anterior segment using single swept-source OCT image acquisitions
      Background/Objectives To evaluate biometric changes throughout the anterior chamber during accommodation and presbyopia using single image acquisition swept-source anterior-segment optical coherence tomography (AS-OCT). Subject/Methods Anterior-segment images were obtained using a new swept-source AS-OCT device (ANTERION, Heidelberg Engineering) from healthy volunteers ( n =71) across two centers in this prospective observational case series. In one image acquisition, cornea through posterior lens, including the ciliary muscle on both sides of the ...
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    4. Past, present and future role of retinal imaging in neurodegenerative disease

      Retinal imaging technology is rapidly advancing and can provide ever-increasing amounts of information about the structure, function and molecular composition of retinal tissue in humans in vivo . Most importantly, this information can be obtained rapidly, non-invasively and in many cases using Food and Drug Administration-approved devices that are commercially available. Technologies such as optical coherence tomography have dramatically changed our understanding of retinal disease and in many cases have significantly ...
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    5. Repeatability of Vascular Density Measurement of the Three Retinal Plexus Layers Using OCT Angiography in Pathologic Eyes (OCTA Vascular Density Repeatability of Three Plexus Layers)

      Repeatability of Vascular Density Measurement of the Three Retinal Plexus Layers Using OCT Angiography in Pathologic Eyes (OCTA Vascular Density Repeatability of Three Plexus Layers)
      ...ter, Children’s Hospital of Los Angeles, Los Angeles, CA, USA; 3Roski Eye Institute, Keck School of Medicine, University of Southern California, Los Angeles, CA, USA Correspondence: Susanna S Park Department of Ophthalmo...
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    6. ROSE: A Retinal OCT-Angiography Vessel Segmentation Dataset and New Model

      ROSE: A Retinal OCT-Angiography Vessel Segmentation Dataset and New Model
      Optical Coherence Tomography Angiography (OCTA) is a non-invasive imaging technique that has been increasingly used to image the retinal vasculature at capillary level resolution. However, automated segmentation of retinal vessels in OCTA has been under-studied due to various challenges such as low capillary visibility and high vessel complexity, despite its significance in understanding many vision-related diseases. In addition, there is no publicly available OCTA dataset with manually graded vessels for ...
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    7. Optical coherence tomography (OCT) system with improved image quality

      Optical coherence tomography (OCT) system with improved image quality
      This disclosure relates to the field of Optical Coherence Tomography (OCT). This disclosure particularly relates to an OCT system that generates an image with improved quality. In one example, the OCT system may generate an improved Bscan image by using multiple shaping functions to shape the raw A-scans. In another example, the OCT system may generate the improved B-scan image by forming multiple apodization patterns on a detector and acquiring ...
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    8. 2D Ultrasonic Array-based Optical Coherence Elastography

      2D Ultrasonic Array-based Optical Coherence Elastography
      Acoustic radiation force optical coherence elastography (ARF-OCE) has been successfully implemented to characterize the biomechanical properties of soft tissues such as the cornea and the retina with high resolution using single-element ultrasonic transducers for ARF excitation. Most currently proposed OCE techniques, such as air-puff and ARF, have less capability to control the spatiotemporal information of the induced region of deformation, resulting in limited accuracy and low temporal resolution of the ...
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    9. Dual-modality optical coherence tomography and frequency-domain fluorescence lifetime imaging microscope system for intravascular imaging

      Dual-modality optical coherence tomography and frequency-domain fluorescence lifetime imaging microscope system for intravascular imaging
      Significance: Detailed biochemical and morphological imaging of the plaque burdened coronary arteries holds the promise of improved understanding of atherosclerosis plaque development, ultimately leading to better diagnostics and therapies. Aim: Development of a dual-modality intravascular catheter supporting swept-source optical coherence tomography (OCT) and frequency-domain fluorescence lifetime imaging (FD-FLIM) of endogenous fluorophores with UV excitation. Approach: We instituted a refined approach to endoscope development that combines simulation in a commercial ray ...
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    10. University of Southern California Receives NIH Grant for Comb Light Source/Imaging Spectrometer for Advanced Spectral Domain Optical Coherence Tomography

      University of Southern California Receives NIH Grant for Comb Light Source/Imaging Spectrometer for Advanced Spectral Domain Optical Coherence Tomography
      ...alidate performance, and develop FPGA code for pipelined real-time computation of the differential signal.

      University of Southern California Receives a 2020 NIH Grant for $239,351 for Comb Light Source/Imaging Spectro...

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    11. Intradevice Repeatability and Interdevice Agreement of Ocular Biometric Measurements: A Comparison of Two Swept-Source Anterior Segment OCT Devices

      Intradevice Repeatability and Interdevice Agreement of Ocular Biometric Measurements: A Comparison of Two Swept-Source Anterior Segment OCT Devices
      Purpose : To assess the repeatability and agreement of ocular biometric parameters measured using the Tomey CASIA SS-1000 and Heidelberg ANTERION anterior segment optical coherence tomography (AS-OCT) devices. Methods : Both eyes of subjects 18 years of age or older were scanned three times with the CASIA and ANTERION under standardized dark lighting. One AS-OCT image along the horizontal (temporal-nasal) meridian was analyzed per eye and per scan. Pupillary diameter (PD) was ...
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    12. University of Southern California Receives NIH Grant for Imaging Cerebral and Retinal Microvasculature in Cerebral Small Vessel Disease

      University of Southern California Receives NIH Grant for Imaging Cerebral and Retinal Microvasculature in Cerebral Small Vessel Disease
      ... phase III clinical trials on small vessel disease to prevent and treat VCID.

      University of Southern California Receives a 2020 NIH Grant for $299,643 for Imaging Cerebral and Retinal Micr...

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    13. Deep Neural Network for Scleral Spur Detection in Anterior Segment OCT Images: The Chinese American Eye Study

      Deep Neural Network for Scleral Spur Detection in Anterior Segment OCT Images: The Chinese American Eye Study
      Purpose : To develop a deep neural network that detects the scleral spur in anterior segment optical coherence tomography (AS-OCT) images. Methods : Participants in the Chinese American Eye Study, a population-based study in Los Angeles, California, underwent complete ocular examinations, including AS-OCT imaging with the Tomey CASIA SS-1000. One human expert grader provided reference labels of scleral spur locations in all images. A convolutional neural network (CNN)-based on the ResNet-18 ...
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    14. 1-15 of 380 1 2 3 4 ... 24 25 26 »
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  2. About University of Southern California

    University of Southern California

    University of Southern California is located in Los Angeles, a global center for arts, technology and international trade and is one of the world’s leading private research universities. USC enrolls more international students than any other U.S. university and offers extensive opportunities for internships and study abroad. With a strong tradition of integrating liberal and professional education, USC fosters a vibrant culture of public service and encourages students to cross academic as well as geographic boundaries in their pursuit of knowledge. The Keck School of Medicine is the medical school at the University of Southern California. Founded in 1885 as the USC College of Medicine, it was closed in 1921 and reopened in 1928 as the USC School of Medicine.