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    By Stephen C. Pflugfelder, MD
    Subspecialty Day 2012: Cornea
    Cornea/External Disease

    In this presentation from the 2012 Annual Meeting, Dr. Stephen Pflugfelder begins with 5 reasons to use the new tests for dry eye: improve diagnostic capability, guide therapeutic decision making, monitor therapeutic efficacy, identify patients with tear dysfunction, and add revenue. He then reviews new tests including a chip tear osmometer, tear MMP-9 immunoassay, tear imaging, noninvasive tear break-up test (TBUT), tear stability analysis system, Oculus keratograph, tear interferometry, tear meniscus imaging, conjunctival cytology, and periodic acid-schiff (PAS) staining.