Osmoprotectants, carboxymethylcellulose and hyaluronic acid multi-ingredient eye drop: a randomised controlled trial in moderate to severe dry eye.

Eye (Lond) · 2017 · PMC5639191 · PMID 28452989

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did not reach statistical significanceno p-value reported

Corneal staining decreased in both groups at day 35 and month 3, but the between-group differences did not reach statistical significance ( Figure 1b ).

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