1. Articles from Daniel Pascual

    1-2 of 2
    1. Dynamic OCT measurement of corneal deformation by an air puff in normal and cross-linked corneas

      Dynamic OCT measurement of corneal deformation by an air puff in normal and cross-linked corneas

      A new technique is presented for the non-invasive imaging of the dynamic response of the cornea to an air puff inducing a deformation. A spectral OCT instrument combined with an air tonometer in a non-collinear configuration was used to image the corneal deformation over full corneal cross-sections, as well as to obtain high speed measurements of the temporal evolution of the corneal apex. The entire deformation process can be dynamically visualized. A quantitative analysis allows direct extraction of several deformation parameters, such as amplitude, diameter and volume of the maximum deformation, as well as duration and speed of the increasing ...

      Read Full Article
    2. Optical distortion correction in Optical Coherence Tomography for quantitative ocular anterior segment by three-dimensional imaging

      Optical distortion correction in Optical Coherence Tomography for quantitative ocular anterior segment by three-dimensional imaging

      A method for three-dimensional 3-D optical distortion (refraction) correction on anterior segment Optical Coherence Tomography (OCT) images has been developed. The method consists of 3-D ray tracing through the different surfaces, following denoising, segmentation of the surfaces, Delaunay representation of the surfaces, and application of fan distortion correction. The correction has been applied theoretically to realistic computer eye models, and experimentally to OCT images of: an artificial eye with a Polymethyl Methacrylate (PMMA) cornea and an intraocular lens (IOL), an enucleated porcine eye, and a human eye in vivo obtained from two OCT laboratory set-ups (time domain and spectral). Data ...

      Read Full Article
    1-2 of 2
  1. 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
  2. Topics in the News

    1. (2 articles) Spanish National Research Council
    2. (1 articles) Nicolaus Copernicus University
    3. (1 articles) National Institutes of Health
  3. Popular Articles

  4. Picture Gallery

    Optical distortion correction in Optical Coherence Tomography for quantitative ocular anterior segment by three-dimensional imaging Dynamic OCT measurement of corneal deformation by an air puff in normal and cross-linked corneas The Structural and Comparative Analysis of Intravitreal Dexamethasone Implant (Ozurdex) and Anti-VEGF Injection in Branched Retinal Vein Occlusion Patients by Optical Coherence Tomography Angiography Images Quantitation Vascular Responses to First-Generation Sirolimus-Eluting Stents and Bare-Metal Stents Beyond 10 Years Ocular Parameters Evaluation in Relation to the Refractive Error using Optical Coherence Topography Micro Optical Coherence Tomography for Coronary Imaging Macular Vessel Density in Diabetic Retinopathy Patients: How Can We Accurately Measure and What Can It Tell Us? Systems and methods for long working distance optical coherence tomography (OCT) Evaluation of the retinal nerve fiber layer with optic coherence tomography in patients with alcohol use disorder Predictive OCTA Biomarkers After Endoscopic Endonasal Pituitary Surgery NEI joins call for standardization of ophthalmic imaging devices Repeatability of Optical Coherence Tomography Angiography Measurements in Patients with Retinal Vein Occlusion