Treatment of Ocular Discomfort in Glaucoma Patients Using Multiple Topical Medications

This study is evaluating a prescription eye drop called Xiidra (lifitegrast) for reducing eye surface discomfort in glaucoma patients who use multiple eye drops to control their eye pressure. Long-term use of glaucoma drops can irritate the surface of the eye, and Xiidra may help relieve that discomfort. **You may be eligible if:** - You are currently using one or more topical glaucoma eye drops to lower eye pressure - You experience symptoms of eye surface discomfort (dryness, irritation, etc.) - Xiidra has been prescribed as part of your standard glaucoma care **You may NOT be eligible if:** - You have had glaucoma filtering surgery or eye surface surgery (such as pterygium removal) - You are currently using topical cyclosporine eye drops - You are currently using topical steroid eye drops - You have had eye surgery within the past 6 months Talk to your doctor to see if this trial is right for you.