Activation and elevation of inflammatory mediators is associated with the pathogenesis and progression of dry eye disease (DED)¹. The quantification of inflammatory marker levels can provide insight into the disease progression and severity and may help guide individualised treatment. However, a variety of different tear sampling methods have been described in the literature and their efficacy in quantifying inflammatory markers is not completely understood. Thus, we decided to test the ability of two different collection techniques – the Schirmer strip method and the flush method – to quantify specific inflammatory markers.
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