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Abnormal tear osmolarity considered a biomarker of dry eye disease
NEW ORLEANS — Tear osmolarity is an important biomarker of ocular surface disease, according to a study presented at the American Society of Cataract and Refractive Surgery meeting here.“We know that osmolarity causes cytotoxicity to cells of the ocular surface. Because of this lack of specificity and sensitivity of using symptoms alone, perhaps tear osmolarity testing can aid in differential diagnosis and initiation of target therapy,” Jay S. Pepose, MD, PhD, said.