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: Social & Preventive Medicine
After birth, care of eye of newborn is by 
Select and explain. 
A. AgNO3 eye drop, B. Antibiotics, C. Normal saline, D. Crede’s method
A: AgNO3 eye drop
Answer: A: AgNO3 eye drop 
Explanation: None