This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Ophthalmology
[{'content': 'A mother noticed mucopurulent discharge from the right puncta of her 3 month old child. There is h/o watering from his right eye, t/t is- \nSelect and explain. \nA. Syringing, B. Probing with syringing, C. Sac massage with topical antibiotics, D. Dacryocysto- rhinostomy', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Spontaneous recanalization of obstructed nosolacrimal duct occurs during first 6-8 weeks and sometimes after 6-12 months in 90% of infants. Therefore upto 9-12 months only massage and antibiotic drops are indicated. After the age of 12 months high pressure syringing is indicated.', 'role': 'assistant'}]