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
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- 
Select and explain. 
A. Syringing, B. Probing with syringing, C. Sac massage with topical antibiotics, D. Dacryocysto- rhinostomy
C: Sac massage with topical antibiotics
Answer: C: Sac massage with topical antibiotics 
Explanation: 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.