A Randomized, Controlled Trial Comparing Tearcare^® and Cyclosporine Ophthalmic Emulsion for the Treatment of Dry Eye Disease (SAHARA) [Response To Letter].

The first primary outcome variable tested, the difference between groups in TBUT, was in fact, highly significant (p=0.0006), and it is worth noting that the difference between groups for the second primary outcome, OSDI, did not approach statistical significance (p=0.9843).

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