Tear film osmolarity a critical parameter in diagnosis of dry eye

AMSTERDAM — Tear film osmolarity is a critical parameter in determining  what specific form of dry eye affects the patient and what treatment should be employed, according to one specialist.Mitchell A. Jackson, MD, reminded the audience at the European Society of Cataract and Refractive Surgeons meeting that the Dry Eye Workshop updated definition of dry eye included “increased osmolarity of the tear film” as a key factor.  And yet the Consensus Guidelines based on classification levels 1 to 4 do not include osmolarity among signs. 

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