Although we found differences between Schirmer test results and BUT values according to dry eye etiology, these differences were only statistically significant between the immunological group and the other groups. Differences between etiological groups decreased with worsening of the illness due to a general affectation of the lacrimal glands.
The early disappearance of lacunar folds is a sign of conjunctival retraction manifest in patients with dry eye syndrome. The degree of conjunctival retraction degree varies according to the dry eye etiology and severity of the symptoms.
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