RecruitingPhase 4Drug trialTRYPTYR as a Treatment for Patients With Dry Eye Disease (DED)The purpose of this research study is to determine the effectiveness of TRYPTYR as a treatment for Dry Eye Disease. The primary efficacy variable is change from baseline in the Ocular Surface Disease Index (OSDI) at week 2. The co-primary efficacy variables are change from baseline in the National Eye Institute (NEI) scale of the cornea and NEI scale of the conjunctiva at 1 month (the third visit).