Dry eye syndrome (DES)

Researchers are testing whether dry eye symptoms and signs can serve as a predictive marker in people with hand osteoarthritis. Participants complete the Ocular Surface Disease Index questionnaire and undergo tear tests, including Schirmer tests, tear break-up time, and optical c…

Researchers are testing two eye drops that contain hyaluronic acid and amino acids in people with dry eye syndrome. Adults with moderate to severe dry eye receive the 0.30% drop, while those with mild dry eye receive the 0.15% drop. The study measures changes in eye surface stain…

This trial investigates whether using Systane Complete eye drops twice a day works as well as using Thealoz Duo eye drops four times a day for adults with mild to moderate dry eye disease. Over 30 days, participants will use one of the two regimens and report symptom changes thro…

This study involved 10 adults with severe dry eye disease who did not respond to standard treatments. Researchers measured levels of growth factors and vitamins in autologous serum eye drops before and after filtration, to see if filtering reduces their concentration. The goal is…

This completed study looked at how two types of eye drops—cyclosporine A and hyaluronic acid—change the community of bacteria living on the eye's surface in people with dry eye syndrome. Fifty adults were randomly assigned to receive either cyclosporine plus hyaluronic acid or hy…