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    Achieving physiologic restoration in dry eye

    Tear osmolarity testing delivers early diagnosis; drives decisions for treatment, future surgeries

    Take-home message: Tear osmolarity testing provides clinicians the opportunity to detect disease and select treatments to restore ocular surface health.

    By Laura M. Periman, MD, Special to Ophthalmology Times

    Dr. PerimanTear osmolarity excels as a predictive test for dry eye syndrome, with 89% of abnormal tests correlating with a positive diagnosis.1

    An energizing innovation for ophthalmologists long accustomed to frustration with the disconnect between signs and symptoms, the accuracy, objectivity, and speed of osmolarity testing makes it an exceptional tool for aiding the diagnosis of dry eye and tracking the success of treatment.

    Related: Hypochlorous acid eyelid wash reduces bacterial load

    Considered a biomarker for ocular surface health, normal tear osmolarity tests after treatment indicate improved functioning of the lacrimal functional unit (LFU).2

    The power of osmolarity testing is greatest when appreciated as part of the larger diagnostic picture. Viewed alongside symptoms, inflammation (MMP-9) testing, and exam findings, tear osmolarity becomes a time-efficient and powerful way to characterize an individual patient’s ocular surface disease, as well as check progress and predict symptom relief over time.

    What tear osmolarity tells us

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