National Key Discipline of Pediatrics Ministry of Education Department of Ophthalmology Beijing children’s hospital Capital Medical University National Center for Children’s Health Beijing China;
National Key Discipline of Pediatrics Ministry of Education Department of Ophthalmology Beijing children’s hospital Capital Medical University National Center for Children’s Health Beijing China;
National Key Discipline of Pediatrics Ministry of Education Department of Ophthalmology Beijing children’s hospital Capital Medical University National Center for Children’s Health Beijing China;
National Key Discipline of Pediatrics Ministry of Education Department of Ophthalmology Beijing children’s hospital Capital Medical University National Center for Children’s Health Beijing China;
Acute dacryocystitis; Nasolacrimal canal; Computed tomography;