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    1. Mentioned In 203 Articles

    2. Measurement of the Shrinkage of Natural and Simulated Lesions on Root Surfaces using CP-OCT

      Explore ScienceDirect Dentistry
      Measurement of the Shrinkage of Natural and Simulated Lesions on Root Surfaces using CP-OCT
      Objectives Demineralized root dentin and cementum is made up of mostly collagen that shrinks significantly upon dehydration or drying with air. During remineralization mineral is deposited on the outside of the lesion creating a highly mineralized surface layer that inhibits diffusion, arrests the lesion and prevents shrinkage. Previous studies suggest that active root caries lesions manifest shrinkage, while arrested lesions no longer manifest shrinkage upon dehydration. The purpose of this ...
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      Mentions: Daniel S. Fried UCLA

    3. Acoustic Radiation Force Optical Coherence Elastography

      Explore Home - Springer Cardiology
      Acoustic Radiation Force Optical Coherence Elastography
      Mechanical properties, such as the elasticity and viscosity, are often major indicators of diseases. Over the years, tissue mechanical properties have been demonstrated to be an early indicator for cardiovascular disease. Mechanical imaging technologies have been quickly evolving with a goal to effectively diagnose coronary artery disease and atherosclerosis in their early stages. By combining the advantages of acoustic and optical properties, acoustic radiation force optical coherence elastography (ARF-OCE) has ...
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      Mentions: Zhongping Chen UC Irvine Chinese Academy of Sciences

    4. Impact of slab selection on quantification of choriocapillaris flow deficits by optical coherence tomography angiography

      Explore American Journal of Ophthalmology Ophthalmology
      Impact of slab selection on quantification of choriocapillaris flow deficits by optical coherence tomography angiography
      Purpose To assess the impact of slab selection on quantitative measurements of choriocapillaris (CC) flow deficits (FDs) using optical coherence tomography angiography (OCTA). Design Cross-sectional study Methods Using a swept-source OCTA device, en face slabs to isolate the CC were first generated using the manufacturers default setting: a 20 m-thick slab starting 29 m posterior to the centerline of the automatically segmented retinal pigment epithelium (RPE) band. The inner and ...
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      Mentions: Srinivas R. Sadda UCLA

    5. Volumetric Analysis of Vascularized Serous Pigment Epithelial Detachment Progression in Neovascular Age-Related Macular Degeneration Using Optical Coherence Tomography Angiography

      Explore IOVS Journal Ophthalmology
      Volumetric Analysis of Vascularized Serous Pigment Epithelial Detachment Progression in Neovascular Age-Related Macular Degeneration Using Optical Coherence Tomography Angiography
      Purpose : To analyze the evolution of type 1 neovascularization associated with vascularized serous pigment epithelial detachment (vsPED) using three-dimensional, volumetric, en face optical coherence tomography angiography (OCTA). Methods : This was a retrospective case series from four tertiary medical centers. OCTA images were analyzed at baseline and at the 3-, 6-, 12-, 18-, and 24-month follow-up visit when available. Visual acuity, number of injections, PED maximal height and PED area and ...
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      Mentions: Tufts University Srinivas R. Sadda Giuseppe Querques

    6. Picometer scale vibrometry in the human middle ear using a surgical microscope based optical coherence tomography and vibrometry system

      Explore Digital Object Identifier System Otolaryngology
      Picometer scale vibrometry in the human middle ear using a surgical microscope based optical coherence tomography and vibrometry system
      We have developed a highly phase stable optical coherence tomography and vibrometry system that attaches directly to the accessory area of a surgical microscope common to both the otology clinic and operating room. Careful attention to minimizing sources of phase noise has enabled a system capable of measuring vibrations of the middle ear with a sensitivity of 5 pm in an awake human patient. The system is shown to be ...
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      Mentions: Texas A&M University UCLA Brian E. Applegate

    7. The role of Müller cells in tractional macular disorders: an optical coherence tomography study and physical model of mechanical force transmission

      Explore BJO Online Ophthalmology
      The role of Müller cells in tractional macular disorders: an optical coherence tomography study and physical model of mechanical force transmission
      Background To explore the role of foveal and parafoveal Mller cells in the morphology and pathophysiology of tractional macular disorders with a mathematical model of mechanical force transmission. Methods In this retrospective observational study, spectral-domain optical coherence tomography images of tractional lamellar macular holes and patients with myopic foveoschisis were reviewed and analysed with a mathematical model of force transmission. Parafoveal z-shaped Mller cells were modelled as a structure composed ...
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      Mentions: University of Alabama University of Florence University of Milan

    8. Retinal Vascular Changes During Pregnancy Detected With Optical Coherence Tomography Angiograph

      Explore IOVS Journal Ophthalmology
      Retinal Vascular Changes During Pregnancy Detected With Optical Coherence Tomography Angiograph
      Purpose : To evaluate retinal vascular status during pregnancy by using optical coherence tomography angiography (OCTA). Methods : Women in their third trimester of pregnancy and nonpregnant age-matched women were recruited for this prospective, case-control study. Subjects were imaged with OCTA. Main outcome measures were foveal avascular zone parameters, perfusion density (PD) percentage in the superficial retinal capillary plexus (SCP), PD percentage in the deep retinal capillary plexus (DCP), SCP vessel length ...
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      Mentions: Srinivas R. Sadda UCLA

    9. Optical coherence tomography risk factors for development of late age related macular degeneration in the fellow eyes of patients enrolled in the HARBOR Study

      Explore Ophthalmology Ophthalmology
      Optical coherence tomography risk factors for development of late age related macular degeneration in the fellow eyes of patients enrolled in the HARBOR Study
      Purpose To evaluate the relationship between optical coherence tomography (OCT) features and the progression to late age related macular degeneration (AMD) in the fellow eyes of patients enrolled in the 24-month HARBOR study (NCT00891735) for neovascular AMD. Design post hoc analysis of a phase 3 multicenter, prospective, randomized, double-masked, active treatment-controlled clinical trial. Participants Evaluable subjects (N=501) with macular neovascularization (MNV) secondary to neovascular AMD and early or intermediate ...
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      Mentions: Srinivas R. Sadda UCLA

    10. Macular Microvascular Networks In Healthy Pediatric Subjects

      Explore LWW Online Ophthalmology
      Macular Microvascular Networks In Healthy Pediatric Subjects
      Purpose: To report optical coherence tomography angiography ( OCTA ) values in healthy pediatric eyes and to identify factors that may modify these values. Methods: In this prospective observational cross-sectional study, macular OCTA images were acquired from healthy pediatric patients. Main outcome measures were 1) foveal avascular zone (FAZ) area at the level of the superficial retinal capillary plexus (SCP); 2) SCP and deep retinal capillary plexus (DCP) perfusion density (based on ...
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      Mentions: Srinivas R. Sadda UCLA

    11. OCT-Detected Optic Nerve Head Neural Canal Direction, Obliqueness and Minimum Cross-Sectional Area in Healthy Eyes

      Explore ScienceDirect Ophthalmology
      OCT-Detected Optic Nerve Head Neural Canal Direction, Obliqueness and Minimum Cross-Sectional Area in Healthy Eyes
      Purpose To assess anterior scleral canal opening (ASCO) offset relative to Bruchs membrane opening (BMO) (ASCO/BMO offset) so as to determine neural canal direction, obliqueness, and minimum cross-sectional area (NCMCA) in 362 healthy eyes. Design Cross-sectional study Methods After OCT optic nerve head (ONH) and retinal nerve fiber layer thickness (RNFLT) imaging, BMO and ASCO were manually segmented and planes, centroids, size and shape were calculated. Neural canal direction ...
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      Mentions: Johns Hopkins University Mount Sinai School of Medicine University of Alabama

    12. Longitudinal Macular Structure-Function Relationships in Glaucoma and Their Sources of Variability

      Explore American Journal of Ophthalmology Ophthalmology
      Longitudinal Macular Structure-Function Relationships in Glaucoma and Their Sources of Variability
      Purpose 1) Review central structure-function (SF) relationships in glaucoma; 2) compare contributions of within-session and between-session variability to total variability of macular optical coherence tomography (OCT) thickness measurements; and 3) test the hypothesis that longitudinal within-eye variability of central SF relationships is smaller than between-individual variability. Methods We reviewed the pertinent literature on central SF relationships in glaucoma. Thirty-eight eyes (20 normal or glaucoma subjects) had 3 macular images per ...
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      Mentions: UCLA Joseph Caprioli

    13. Effect of segmentation error correction on optical coherence tomography angiography measurements in healthy subjects and diabetic macular oedema

      Explore BJO Online Ophthalmology
      Effect of segmentation error correction on optical coherence tomography angiography measurements in healthy subjects and diabetic macular oedema
      Purpose To evaluate the impact of segmentation error on vessel density measurements in healthy eyes and eyes with diabetic macular oedema (DMO). Methods In this prospective, comparative, non-interventional study, enface optical coherence tomography angiography (OCTA) images of the macula from healthy eyes and eyes with DMO were acquired. Two expert graders assessed and corrected the segmentation error. The rate of segmentation error and the changes in vessel density and inner ...
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      Mentions: UCLA

    14. Fourier-domain mode-locked laser combined with a master-oscillator power amplifier architecture

      Explore OSA | OSA Publishing Tunable Sources
      Fourier-domain mode-locked laser combined with a master-oscillator power amplifier architecture
      Originally introduced in 2005 for high-speed optical coherence tomography, the rapidly wavelength-swept Fourier-domain mode-locked (FDML) laser still, to this day, enables highest imaging speeds through a very high-speed spectral tuning capability. The FDML laser achieves a tuning bandwidth of over 1/10th of its center wavelength and can sweep this entire bandwidth in less than a microsecond. Interestingly, even though it covers a very broad spectral range, instantaneously it has ...
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      Mentions: Bahram Jalali UCLA

    16. Pearls and Pitfalls of Optical Coherence Tomography Angiography Imaging: A Review

      Explore Home - Springer Ophthalmology
      Pearls and Pitfalls of Optical Coherence Tomography Angiography Imaging: A Review
      Optical coherence tomography angiography (OCTA) has significantly expanded our knowledge of the ocular vasculature. Furthermore, this imaging modality has been widely adopted to investigate different ocular and systemic diseases. In this review, a discussion of the fundamental principles of OCTA is followed by the application of this imaging modality to study the retinal and choroidal vessels. A proper comprehension of this imaging modality is essential for the interpretation of OCTA ...
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      Mentions: Srinivas R. Sadda Giuseppe Querques UCLA
    17. 1-15 of 203 1 2 3 4 ... 12 13 14 »
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  4. About UCLA

    UCLA

    University of California at Los Angeles (UCLA) is a public research university located in Westwood, Los Angeles, California, United States. It was founded in 1919, making it the second-oldest general-purpose campus in the University of California system. The name was changed in 1927 to the University of California at Los Angeles. UCLA comprises the College of Letters and Science (the primary undergraduate college) as well as undergraduate colleges Arts and Architecture, Herb Alpert School of Music, Henry Samueli School of Engineering and Applied Science, Nursing, and Theater, Film, and Television, seven professional schools, and five professional Health Science schools. Since 2001, UCLA has enrolled over 33,000 total students annually, and that number is steadily rising.

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