1. Articles from David Huang

    1-6 of 6
    1. Aqueous cell differentiation in anterior uveitis using optical coherence tomography

      Aqueous cell differentiation in anterior uveitis using optical coherence tomography

      Methods and systems for determining a percentage composition of aqueous cells in an anterior chamber of an eye of a subject based on cell reflectance distributions calculated from OCT image data are disclosed. In one example approach, determining a percentage composition of detected aqueous cells may comprise calculating a percentage of the detected aqueous cells which are polymorphonuclear and calculating a percentage of detected aqueous cells which are mononuclear.

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    2. Reduced Retinal Vessel Density in Primary Angle Closure Glaucoma: A Quantitative Study Using Optical Coherence Tomography Angiography

      Reduced Retinal Vessel Density in Primary Angle Closure Glaucoma: A Quantitative Study Using Optical Coherence Tomography Angiography

      Purpose: To investigate the changes in the retinal vasculature in different parts of the fundus in eyes with primary angle closure glaucoma (PACG). Methods: Healthy subjects and those with PACG were enrolled. Optical coherence tomography and a split-spectrum amplitude decorrelation angiography algorithm were used to quantify the retinal vessel densities in the parafoveal and peripapillary areas. Results: Thirty-nine eyes from 24 PACG patients and 39 eyes from 20 age- and sex-matched healthy subjects were included. The retinal vessel densities in the parafoveal and peripapillary areas and every sector of the two areas were significantly lower in the PACG eyes than ...

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

      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 well as parameters useful for evaluating the properties. The methods and systems described herein are useful as eye disease diagnostic tools and eye surgery planning tools.

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    4. Correlation Between Optical Coherence Tomography-Derived Assessments of Lower Tear Meniscus Parameters and Clinical Features of Dry Eye Disease

      Correlation Between Optical Coherence Tomography-Derived Assessments of Lower Tear Meniscus Parameters and Clinical Features of Dry Eye Disease

      Purpose: To measure the correlation between subjective symptom score, conventional clinical tests, and Fourier-domain optical coherence tomography (FD-OCT) of lower tear meniscus parameters in patients with dry eye disease. Methods: Eighteen patients with dry eye disease requiring medical therapy and/or punctal occlusion were recruited for this prospective, nonrandomized, observational case series. Severity of symptoms of dry eye disease was assessed using the Indiana University Dry Eye Questionnaire 2002. Clinical assessments were completed using slit-lamp biomicroscopy, rose bengal dye staining, fluorescein tear breakup time (TBUT), and a 5-minute Schirmer test with topical anesthesia. The lower tear meniscus was imaged using ...

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    5. Analysis of Deposit Depth and Morphology in Granular Corneal Dystrophy Type 2 Using Fourier Domain Optical Coherence Tomography

      Analysis of Deposit Depth and Morphology in Granular Corneal Dystrophy Type 2 Using Fourier Domain Optical Coherence Tomography
      Purpose: Granular corneal dystrophy type 2 (GCD2) causes the formation of corneal deposits having 3 different morphological types. We used Fourier domain optical coherence tomography to assess the depths of each type according to the morphology. Methods: A prospective study was performed in 54 eyes of 54 heterozygous patients with GCD2. Corneal deposits of 54 patients with GCD2 were classified into 3 morphological types: type 1, diffuse haze; type 2, granular shape (2 subgroups: type 2a, round granulated and type 2b, round spiculated); and type 3, linear shape (2 subgroups: type 3a, short side branched and type 3b, long side ...
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    1-6 of 6
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  2. Topics in the News

    1. (6 articles) Center for Ophthalmic Optics and Lasers
    2. (5 articles) Oregon Health & Science University
    3. (2 articles) University of Southern California
    4. (1 articles) Indiana University
    5. (1 articles) Yonsei University
    6. (1 articles) Shanghai Jiao Tong University
    7. (1 articles) Massachusetts Institute of Technology
    8. (1 articles) Srinivas R. Sadda
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    Analysis of Deposit Depth and Morphology in Granular Corneal Dystrophy Type 2 Using Fourier Domain Optical Coherence Tomography Correlation Between Optical Coherence Tomography-Derived Assessments of Lower Tear Meniscus Parameters and Clinical Features of Dry Eye Disease Methods and systems to measure corneal epithelial thickness and power, stromal thickness, subepithelial corneal power and topography for disease diagnosis Reduced Retinal Vessel Density in Primary Angle Closure Glaucoma: A Quantitative Study Using Optical Coherence Tomography Angiography Aqueous cell differentiation in anterior uveitis using optical coherence tomography OCT vitrectomy probe Optical Coherence Tomography of the Middle Ear Using Ossiview Role of Optical Coherence Tomography Angiography Imaging in Patients with Diabetes Vitreomacular Traction Surgery from the DISCOVER Study: Intraoperative OCT Utility, Ellipsoid Zone Dynamics, and Outcomes Investigation of Micro-motion Kinematics of Continuum Robots for Volumetric OCT and OCT-guided Visual Servoing Association of Myopia With Microvascular Alterations in Patients With Type 2 Diabetes: An Optical Coherence Tomography Angiography Study Accuracy of Total Corneal Power Calculation for Multifocal Toric Intraocular Lens Implantation: Swept-Source OCT-Based Biometer vs Scheimpflug Tomographer