Safety and Efficacy of a Preservative-Free Artificial Tear Containing Carboxymethylcellulose and Hyaluronic Acid for Dry Eye Disease: A Randomized, Controlled, Multicenter 3-Month Study.

Clin Ophthalmol · 2020 · PMC7534849 · PMID 33061281

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a clear trendno p-value reported

In contrast, there was a clear trend in favor of CMC-HA UD for improving symptoms, TBUT, and Schirmer scores in the smaller cohort of aqueous-deficient subjects (n=20).

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