Text Box: PROBING THERAPY FOR CONGENITAL OBSTRUCTION OF LACRIMAL DUCTS IN INFANTS Qi Ya, Wang JH Beijing Children's Hospital, Beijing, China Objective: To study 246 patients (315 eyes) who were suspected to suffer from congenital obstruction of lacrimal ducts and accepted probing treatment. Methods: All the patients were administered lavage and probing treatment of lacrimal ducts. After local anaesthesia and disinfection of the abnormal eyes, a dilator was used to dilate the lacrimal puncta and lacrimal ducts were lavaged. Then a lacrimal probe was used to probe the ducts from lacrimal puncta to lower nasal cavity along its trend. Patients should be reexamined after one week. Repeated treatment would be taken if it was necessary. Results: Among the 246 patients (315 eyes), 288 eyes (91.4%) were diagnosed of obstruction of lacrimal ducts, 27 eyes (8.6%) were diagnosed of stenosis of lacrimal ducts, 306 eyes were cured, the cure rate was 97.1%. Conclusions: The probing therapy was an effective method to treat congenital obstruction of lacrimal ducts.It is simple and convenient to perform in clinics. 2387