This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Diseases of orbit, Lids and lacrimal apparatus, Subject name: Ophthalmology
[{'content': 'Treatment of dacryocystitis in three months old child- \nSelect and explain. \nA. Daily probing, B. Weekly probing, C. Massaging, D. Syringing', 'role': 'user'}, {'content': 'Answer: C \nExplanation: *Spontaneous recanalization of obstructed nasolacrimal duct occurs during first 6-8 weeks and sometimes after 6-12 months in 90%of infants. Therefore up to 9-12months only massage and antibiotic drops are indicated. After the age of 12 months high pressure syringing is indicated.', 'role': 'assistant'}]