1. Yan Li

    0 Comments Leave a Comment

    1-15 of 59 1 2 3 4 »

    1. Mentioned In 59 Articles

    2. Optical Vaginal Biopsy Using Optical Coherence Tomography

      Explore LWW Online Gynecology
      Optical Vaginal Biopsy Using Optical Coherence Tomography
      Objective Optical coherence tomography is a noninvasive technology that visualizes tissue microstructure with high spatial resolution. We designed a novel vaginal system that demonstrates a clear distinction between vaginal tissues planes. In this study, we sought to compare vaginal tomographic images of premenopausal, perimenopausal, and postmenopausal women, demonstrate feasibility of tracking vaginal tissue changes after treatment with fractional-pixel CO 2 laser therapy, and obtain a histologic correlation of these findings ...
      Read Full Article
      Mentions: Zhongping Chen UC Irvine Yan Li

    3. Early Diagnostic Value of Optical Coherence Tomography in The Clinical Prediction Model for Optic Nerve Injury in Saddle Space Occupying Patients

      Explore ScienceDirect Ophthalmology
      Early Diagnostic Value of Optical Coherence Tomography in The Clinical Prediction Model for Optic Nerve Injury in Saddle Space Occupying Patients
      In this study, 50 patients with anterior ischemic optic neuropathy due to saddle block were selected as the experimental group, and 50 healthy subjects were used as the control group to conduct a study. The best corrected visual acuity examination, optical coherence tomography and visual evoked potential examination were performed on the two groups. The results of the study showed that the majority of patients were middle-aged and older people ...
      Read Full Article
      Mentions: Yan Li

    4. In vivo evaluation of posterior eye elasticity using shaker-based optical coherence elastography

      Explore SAGE Journals Ophthalmology
      In vivo evaluation of posterior eye elasticity using shaker-based optical coherence elastography
      Age-related macular degeneration (AMD) is a progressive retinal disease and becomes the leading cause of blindness. It is well established that early detection is the key to preservation of functional vision. However, it is very difficult to diagnose AMD in very early stages, before structural changes are evident. Consequently, investigating the biomechanical properties of the retina maybe essential for understanding its physiological function. In this study, we present a shear ...
      Read Full Article
      Mentions: Zhongping Chen University of Southern California UC Irvine

    5. Application of Corneal Optical Coherence Tomography Angiography for Assessment of Vessel Depth in Corneal Neovascularization

      Explore LWW Online Ophthalmology
      Application of Corneal Optical Coherence Tomography Angiography for Assessment of Vessel Depth in Corneal Neovascularization
      Purpose: To map and measure the depths of corneal neovascularization (NV) using 3-dimensional optical coherence tomography angiography (OCTA) at 2 different wavelengths. Methods: Corneal NV of varying severity, distribution, and underlying etiology was examined. Average NV depth and vessel density were measured using 840-nm spectral-domain OCTA and 1050-nm swept-source OCTA. The OCTA results were compared with clinical slit-lamp estimation of NV depth. Results: Twelve eyes with corneal NV from 12 ...
      Read Full Article
      Mentions: Massachusetts Institute of Technology James G. Fujimoto David Huang

    6. Cerebral edema detection in vivo after middle cerebral artery occlusion using swept-source optical coherence tomography

      Explore SPIE Digital Library Neurology
      Cerebral edema detection in vivo after middle cerebral artery occlusion using swept-source optical coherence tomography
      Cerebral edema is a severe complication of ischemic cerebrovascular disease, which can lead to microcirculation compression resulting in additional ischemic damage. Real-time and continuous in vivo imaging techniques for edema detection are of great significance to basic research on cerebral edema. We attempted to monitor the cerebral edema status in rats with middle cerebral artery occlusion (MCAO) over time, using a wide field-of-view swept-source optical coherence tomography (SS-OCT) system. Optical ...
      Read Full Article
      Mentions: University of Michigan Yan Li

    7. OHSU Receives NIH Grant ffor Optical Coherence Tomography-Aided Differential Diagnosis and Treatment of Irregular Corneas

      Explore Optical Coherence Tomography News Ophthalmology , Funding
      OHSU Receives NIH Grant ffor Optical Coherence Tomography-Aided Differential Diagnosis and Treatment of Irregular Corneas
      ...nce Tomography-Aided Differential Diagnosis and Treatment of Irregular Corneas. The principal investigator is Yan Li. The program began in 2018 and ends in 2023. Below is a summary of the proposed work.

      Read Full Article

      Mentions: National Institutes of Health Oregon Health & Science University Yan Li

    8. Multimodal endoscopy for colorectal cancer detection by optical coherence tomography and near-infrared fluorescence imaging

      Explore OSA | OSA Publishing Gastroenterology
      Multimodal endoscopy for colorectal cancer detection by optical coherence tomography and near-infrared fluorescence imaging
      While colonoscopy is the gold standard for diagnosis and classification of colorectal cancer (CRC), its sensitivity and specificity are operator-dependent and are especially poor for small and flat lesions. Contemporary imaging modalities, such as optical coherence tomography (OCT) and near-infrared (NIR) fluorescence, have been investigated to visualize microvasculature and morphological changes for detecting early stage CRC in the gastrointestinal (GI) tract. In our study, we developed a multimodal endoscopic system ...
      Read Full Article
      Mentions: Zhongping Chen UC Irvine Yan Li

    9. Visual Optics Postdoctoral/Research Fellow Opening at Oregon Health & Science University

      Explore Optical Coherence Tomography News Ophthalmology , Jobs & Studentships
      Visual Optics Postdoctoral/Research Fellow Opening at Oregon Health & Science University
      ... independently and with team members. To apply, please contact Professors David Huang ( huangd@ohsu.edu ) and Yan Li ( liyan@ohsu.edu ). A postdoctoral research fellow position is available in the Center for Ophthalmic O...
      Read Full Article
      Mentions: National Institutes of Health David Huang Oregon Health & Science University

    10. 1.7 micron optical coherence tomography for vaginal tissue characterization in vivo

      Explore Wiley Online Library Gynecology
      1.7 micron optical coherence tomography for vaginal tissue characterization in vivo
      Objectives Optical coherence tomography (OCT) can noninvasively visualize in vivo tissue microstructure with high spatial resolution that approaches the histologic level. Currently, OCT studies in gynecology are few and limited to a conventional 1.3m center wavelength swept light source which provides high spatial resolution but limited penetration depth. Here, we present a novel endoscopic OCT system with improved penetration depth and high resolution. Methods A novel endoscopic OCT system ...
      Read Full Article
      Mentions: Zhongping Chen UC Irvine Yan Li

    11. Deep imaging in highly scattering media by combining reflection matrix measurement with Bessel-like beam based optical coherence tomography

      Explore aip.scitation.org
      Deep imaging in highly scattering media by combining reflection matrix measurement with Bessel-like beam based optical coherence tomography
      Multiple scattering in biomedical tissue limits the imaging depth within a range of 12mm for conventional optical imaging techniques. To extend the imaging depth into the scattering medium, a computational method based on the reflection matrix measurement has been developed to retrieve the singly back-scattered signal light from the dominant detrimental multiple-scattered background. After applying singular value decomposition on the measured matrix in the post-process, the target image underneath the ...
      Read Full Article
      Mentions: Zhongping Chen UC Irvine Yan Li

    12. Multimodality endoscopic optical coherence tomography and fluorescence imaging technology for visualization of layered architecture and subsurface microvasculature

      Explore OSA | OSA Publishing Gastroenterology , Probes
      Multimodality endoscopic optical coherence tomography and fluorescence imaging technology for visualization of layered architecture and subsurface microvasculature
      Endoscopic imaging technologies, such as endoscopic optical coherence tomography (OCT) and near-infrared fluorescence, have been used to investigate vascular and morphological changes as hallmarks of early cancer in the gastrointestinal tract. Here we developed a high-speed multimodality endoscopic OCT and fluorescence imaging system. Using this system, the architectural morphology and vasculature of the rectum wall were obtained simultaneously from a Sprague Dawley rat in vivo . This multimodality imaging strategy in ...
      Read Full Article
      Mentions: Zhongping Chen UC Irvine Yan Li

    13. Optical coherence tomography angiography of a pigmented Fuchs' adenoma (age-related hyperplasia of the nonpigmented ciliary body epithelium) masquerading as a ciliary body melanoma

      Explore ScienceDirect Ophthalmology
      Optical coherence tomography angiography of a pigmented Fuchs' adenoma (age-related hyperplasia of the nonpigmented ciliary body epithelium) masquerading as a ciliary body melanoma
      Purpose To report a case of age-related hypertrophy of the nonpigmented ciliary epithelium (ARH-NPCE) clinically resembling a ciliary body melanoma and report the optical coherence tomography angiography (OCTA) findings associated with this lesion. Observations A 51-year-old male was referred for evaluation of a deeply pigmented ciliary body mass with extension through the iris root. Iridocyclectomy was performed due to concern for ciliary body melanoma. Histopathologic analysis was instead consistent with ...
      Read Full Article
      Mentions: David Huang Oregon Health & Science University Center for Ophthalmic Optics and Lasers

    14. Imaging of Iris Lesions With High-Speed Optical Coherence Tomography

      Explore m4.healio.com Ophthalmology
      Imaging of Iris Lesions With High-Speed Optical Coherence Tomography
      n BACKGROUND AND OBJECTIVES:To image and measure iris tumors with optical coherence tomography (OCT). n PATIENTS AND METHODS:High-speed(2,000 4,000 axial-scan/sec and 416 frames/sec) 1.3-micron wavelength anterior segment OCT prototypes were used to image 6 eyes of 6 patients with a variety of iris lesions, including focal iris nevus, diffuse iris nevus, amelanotic iris nevus, iris melanocytosis, and iris melanoma. OCT images were ...
      Read Full Article
      Mentions: Joseph A. Izatt Andrew M. Rollins David Huang

    15. Intravascular Optical Coherence Tomography for Characterization of Atherosclerosis with a 1.7 Micron Swept-Source Laser

      Explore Nature Publishing Group Cardiology
      Intravascular Optical Coherence Tomography for Characterization of Atherosclerosis with a 1.7 Micron Swept-Source Laser
      The main cause of acute coronary events, such as thrombosis, is the rupture of atherosclerotic plaques. Typical intravascular optical coherence tomography (IVOCT) imaging systems that utilize a 1.3m swept source laser are often used for identifying fibrous cap thickness of plaques, yet cannot provide adequate depth penetration to resolve the size of the lipid pool. Here, we present a novel IVOCT system with a 1.7m center wavelength swept ...
      Read Full Article
      Mentions: Zhongping Chen UC Irvine Yan Li

    16. Methods and systems to measure corneal epithelial thickness and power, stromal thickness, subepithelial corneal power and topography for disease diagnosis

      Explore uspto.gov Ophthalmology , Patents
      Methods and systems to measure corneal epithelial thickness and power, stromal thickness, subepithelial corneal power and topography for disease diagnosis
      This invention discloses methods and systems for measuring corneal epithelial thickness and power, stromal thickness, subepitheila corneal power and topography. The systems and methods disclosed herein are non-invasive, non-contact and automated imaging methods which preferably makes use of Fourier-domain optical tomography. Also disclosed herein are scanning patterns and image analysis methods for utilizing and analyzing Fourier-domain optical coherence tomography images to obtain information about conical epithelial and stromal properties as ...
      Read Full Article
      Mentions: David Huang University of Southern California Ou Tan
    17. 1-15 of 59 1 2 3 4 »
  1. Search:

  2. Categories

    1. Applications:

      Art, Cardiology, Dentistry, Dermatology, Developmental Biology, Gastroenterology, Gynecology, Microscopy, NDE/NDT, Neurology, Oncology, Ophthalmology, Other Non-Medical, Otolaryngology, Pulmonology, Urology

    2. Business News:

      Acquisition, Clinical Trials, Funding, Other Business News, Partnership, Patents

    3. Technology:

      Broadband Sources, Probes, Tunable Sources

    4. Miscellaneous:

      Jobs & Studentships, Student Theses, Textbooks

  4. About Yan Li

    Yan Li

    Yan Li is with the Center for Opthalmic Optics and Lasers. Dr. Yan Li earned her PhD in Biomedical Engineering from Case Western Reserve University. She is currently a senior research associate in the Department of Ophthalmology, Keck School of Medicine of USC. She received her master’s degree in Biomedical Engineering at the Zhejiang University, China, in 2000. Her research interests include medical image processing, optical coherence tomography for imaging the corneal and anterior segment of the eye, planning refractive surgeries, and guiding the treatment of anterior eye diseases with optical coherence tomography.

  5. Related Topics

    1. Method and apparatus for measuring a retinal sublayer characteristic
      45 articles also mentioned David Huang
    2. Repeatability of laser in situ keratomileusis flap thickness measurement by Fourier-domain optical coherence tomography
      34 articles also mentioned Oregon Health & Science University
    3. Optical coherence tomography of clear corneal incisions for cataract surgery
      18 articles also mentioned Maolong Tang
    4. High-resolution optical coherence tomography visualization of Lasik flap displacement
      11 articles also mentioned Optovue
    5. Anterior Segment Optical Coherence Tomography (Book)
      10 articles also mentioned UC Irvine