How to massage lacrimal passage blockage

If the child currently has the phenomenon of lacrimal passage blockage, then first of all, it is necessary to do a good job of eye hygiene care for the child at ordinary times, and secondly, it can massage the inner lower edge of the child's orbit in an arc, so that the lacrimal sac can be filled, which has a certain effect on dredging the child's lacrimal passage.