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    Benjamin Yixing Xu

    TitleAssistant Professor of Clinical Ophthalmology
    SchoolKeck School of Medicine of USC
    DepartmentOphthalmology
    AddressHC4 5705 1450 San Pablo Street
    Health Sciences Campus
    Los Angeles California 90033-6103
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      Collapse Overview 
      Collapse Overview
      Dr. Xu attended Yale University where he graduated cum laude with a bachelor of science in biomedical engineering. He received his MD and PhD degrees from Columbia University where he was part of the NIH-sponsored Medical Scientist Training Program. He completed a well-received thesis studying how the brain uses eye position signals to coordinate accurate eye movements. Dr. Xu completed his residency in ophthalmology at the LAC+USC Medical Center and USC Roski Eye Institute, where he served as Chief Resident and was recognized for his academic and teaching achievements. He completed his glaucoma fellowship with Dr. Robert Weinreb at the UCSD Shiley Eye Institute and Hamilton Glaucoma Center.

      Dr. Xu’s primary research interest is preventing vision loss and blindness in patients at risk for angle closure glaucoma (ACG), a common type of glaucoma. His research focuses on studying the pathophysiology of ACG and improving the care of angle closure patients. Dr. Xu collaborates with Dr. Rohit Varma on his population-based eye studies such as the Chinese American Eye Study to identify risk factors for ACG and other ocular diseases. Dr. Xu also uses advanced anterior segment imaging modalities including anterior segment optical coherence tomography (AS-OCT) and ultrasound biomicroscopy (UBM) to study the physiological and biomechanical properties of intraocular structures and aqueous outflow pathways. Finally, Dr. Xu works on designing biomedical devices to assess the function of anterior segment structures, such as the iris and trabecular meshwork.


      Collapse Biography 
      Collapse Education and Training
      Columbia UniversityMD/PhD2012
      USC Roski Eye InstituteOphthalmology Residency2016
      University of California, San Diego, Shiley Eye Institute and Hamilton Glaucoma CenterGlaucoma Fellowship2017
      Collapse Awards and Honors
      2004  - 2008NIH Medical Scientist Training Program Training Grant
      2008MD/PhD Student Research Symposium Award
      2008  - 2009Columbia University Vision Sciences NEI Training Grant
      2009MD/PhD Student Research Symposium Award
      2011Dr. Alfred P. Steiner Dean's Day Research Award
      2015Medical Knowledge Award
      University of Southern California2016Resident Teaching Award

      Collapse Bibliographic 
      Collapse Publications
      Publications listed below are automatically derived from MEDLINE/PubMed and other sources, which might result in incorrect or missing publications. Researchers can login to make corrections and additions, or contact us for help.
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      1. Xu B, Mai DD, Penteado RC, Sanders L, Weinreb RN. Reproducibility and Agreement of Anterior Segment Parameter Measurements Obtained Using the CASIA2 and Spectralis OCT2 Optical Coherence Tomography Devices. J Glaucoma. 2017 Sep 19. PMID: 28930883.
        View in: PubMed
      2. Xu B, Israelsen P, Pan BX, Wang D, Jiang X, Varma R. Benefit of Measuring Anterior Segment Structures Using an Increased Number of Optical Coherence Tomography Images: The Chinese American Eye Study. Invest Ophthalmol Vis Sci. 2016 Nov 01; 57(14):6313-6319. PMID: 27893097.
        View in: PubMed
      3. Xu B, Karachi C, Goldberg ME. The postsaccadic unreliability of gain fields renders it unlikely that the motor system can use them to calculate target position in space. Neuron. 2012 Dec 20; 76(6):1201-9. PMID: 23259954; PMCID: PMC3673542.
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