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    1. Mentioned In 210 Articles

    2. Estimating Visual Field Mean Deviation using Optical Coherence Tomographic Nerve Fiber Layer Measurements in Glaucoma Patients

      Explore Nature Publishing Group Ophthalmology
      Estimating Visual Field Mean Deviation using Optical Coherence Tomographic Nerve Fiber Layer Measurements in Glaucoma Patients
      To construct an optical coherence tomography (OCT) nerve fiber layer (NFL) parameter that has maximal correlation and agreement with visual field (VF) mean deviation (MD). The NFL_MD parameter in dB scale was calculated from the peripapillary NFL thickness profile nonlinear transformation and VF area-weighted averaging. From the Advanced Imaging for Glaucoma study, 245 normal, 420 pre-perimetric glaucoma (PPG), and 289 perimetric glaucoma (PG) eyes were selected. NFL_MD had significantly higher ...
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      Mentions: David Huang Joel S. Schuman Oregon Health & Science University

    3. Pearls and Pitfalls of Optical Coherence Tomography Angiography Image Interpretation

      Explore The JAMA Network Ophthalmology
      Pearls and Pitfalls of Optical Coherence Tomography Angiography Image Interpretation
      The advent of optical coherence tomography angiography (OCTA), a relatively new tool to image the retinal and choroidal microvasculature with depth-resolved capability, has been met with great excitement by some ophthalmologists. This noninvasive technology is a potentially valuable instrument to differentiate flow impairment in the superficial vs deep retinal capillary plexus, and it can quantify nonperfusion in eyes with retinal vascular disease. Moreover, OCTA has advanced understanding of the microvascular ...
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      Mentions: Srinivas R. Sadda UCLA

    4. Optical Coherence Tomography for Imaging Dental Caries (Book Chapter)

      Explore Home - Springer Dentistry , Textbooks
      Optical Coherence Tomography for Imaging Dental Caries (Book Chapter)
      Optical Coherence tomography (OCT) is a noninvasive technique that can be used to measure reflectivity within dental hard tissues. Due to the strong reflection at the tooth surfaces, the contrast between sound and demineralized tissues can be enhanced by use of polarization. Polarized sensitive OCT (PS-OCT) can monitor demineralization and remineralization. Clinical studies have indicated that OCT was able to demonstrated penetration into DEJ more reliably that radiographs in questionable ...
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      Mentions: Daniel S. Fried UCLA

    5. Accuracy of Spectral Domain Optical Coherence Tomography of the Macula for Detection of Complete Posterior Vitreous Detachment

      Explore Ophthalmology Retina Ophthalmology
      Accuracy of Spectral Domain Optical Coherence Tomography of the Macula for Detection of Complete Posterior Vitreous Detachment
      Purpose To assess the accuracy of macular spectral domain optical coherence tomography (OCT) in detecting complete posterior vitreous detachment (PVD). Design Evaluation of diagnostic test or technology using a retrospective comparative study. Subjects 175 eyes in 175 patients (111 female, 64 male; mean age = 65 years) with pre-operative OCT within 90 days of vitrectomy. Methods PVD status on preoperative macular OCT was compared to PVD determination during vitrectomy. Attached vitreous ...
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      Mentions: University of Wisconsin UCLA

    6. Noise and sensitivity in optical coherence tomography based vibrometry

      Explore OSA | OSA Publishing
      Noise and sensitivity in optical coherence tomography based vibrometry
      There is growing interest in using the exquisite phase sensitivity of optical coherence tomography (OCT) to measure the vibratory response in organ systems such as the middle and inner ear. Using frequency domain analysis, it is possible to achieve picometer sensitivity to vibration over a wide frequency band. Here we explore the limits of the frequency domain vibratory sensitivity due to additive noise and consider the implication of phase noise ...
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      Mentions: University of Southern California Texas A&M University UCLA

    7. Analysis of Neuroretinal Rim by Age, Race, and Sex Using High-Density 3-Dimensional Spectral-Domain Optical Coherence Tomography

      Explore LWW Online Ophthalmology
      Analysis of Neuroretinal Rim by Age, Race, and Sex Using High-Density 3-Dimensional Spectral-Domain Optical Coherence Tomography
      rcis: Neuroretinal rim minimum distance band (MDB) thickness is significantly lower in older subjects and African Americans compared with whites. It is similar in both sexes. Purpose: To evaluate the relationship between age, race, and sex with the neuroretinal rim using high-density spectral-domain optical coherence tomography optic nerve volume scans of normal eyes. Methods: A total of 256 normal subjects underwent Spectralis spectral-domain optical coherence tomography optic nerve head volume ...
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      Mentions: Johannes F. de Boer Duke University University of Southern California

    9. 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

    10. 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

    11. 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

    12. 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

    13. 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

    14. 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

    15. 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

    16. 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
    17. 1-15 of 210 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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