RecruitingPhase 2Drug trialA Study Evaluating the Safety and Efficacy of a Fixed-Dose Combination for Dry Eye DiseaseA 4-Week, Randomized, Double-Masked, Parallel-Group, Active-Controlled, Multicenter Study Evaluating Lifitegrast/Perfluorohexyloctane Fixed-Dose Combination Administered Twice Daily on Signs and Symptoms of Dry Eye Disease