Influence of short-term face mask wear on semiautomatically measured tear film parameters in dry eye patients and healthy volunteers.

Graefes Arch Clin Exp Ophthalmol · 2023 · PMC9589664 · PMID 36269401

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did not reach statistical significanceno p-value reported

In the healthy group, the mean LLT during FFP2 mask use was 2.55 nm higher compared to no mask wear, a change which did not reach statistical significance and was deemed equivalent to zero upon TOST analysis (Fig. 1 ).

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