Familial congenital nasolacrimal duct obstruction

This study tests whether a modified action camera can take clear images inside the nose, compared to the standard large camera system. Forty adults with tearing or sinus issues will have both types of images taken during their routine exam. Doctors will rate the image quality to …

This phase 3 trial tests whether using artificial tears after radioactive iodine therapy can prevent tear duct blockage in thyroid cancer patients. Radioactive iodine can collect in tears and damage tear ducts, leading to blockage. 100 adults receiving high-dose radioactive iodin…

This trial tests whether adding dexmedetomidine or magnesium sulphate to lidocaine for a peribulbar block (anesthesia around the eye) helps keep heart rate and blood pressure steady during dacryocystorhinostomy (tear duct surgery) under general anesthesia. Sixty adults undergoing…

This study collects medical information and samples from people with hearing, balance, taste, smell, voice, speech, or language disorders. Researchers aim to use this data for future studies and to find candidates for other research. Participants receive standard care, and no exp…