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Matrix metalloproteinase-9 test enables reliable dry eye diagnosis
A matrix metalloproteinase-9 test showed high positive and negative agreement in confirming dry eye disease diagnoses, according to a study.The prospective, masked, multicenter study compared the InflammaDry test (Rapid Pathogen Screening) with other clinical testing methods such as tear breakup time, Schirmer testing and corneal staining. All testing was performed with and without the Ocular Surface Disease Index being used to confirm the presence of dry eye disease.