My son has had a blocked tear duct from birth. He is now 16 months old. Gp referred him to western eye hospital . I took ds for an assessment . It was ok. They sent me an appointment letter for operation. Basically it's probing but they have to put ds to sleep. It said before 7am ds can have milk but after that nothing and operation will be in afternoon. How can I keep my ds from eating and drinking for almost a whole day.?? Has anyone had to do this? Also I phoned up hospital and wasn't very impressed. I had some pretty standard questions and no one could answer them . I would like to take my ds to moorfields instead. Going to ask gp if possible but suppose waiting time will be very long. Its just that I dont feel very comfortable with the hospital ds been referred to and moorfields has a good reputation . Does anyone know if it matters that I delay 'operation'(probing )? My ds has no discomfort due to blocked tear duct. Any advice welcome.