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
Ophthalmia neonatorum is: 
Select and explain. 
A. Inflammation of the conjunctiva occurring in an infant less than 30 days old, B. Any discharge/watering from the eye in first week of life, C. Always caused by gonococci, D. All of the above
A: Inflammation of the conjunctiva occurring in an infant less than 30 days old
Answer: A: Inflammation of the conjunctiva occurring in an infant less than 30 days old 
Explanation: Ans. Inflammation of the conjunctiva occurring in an infant less than 30 days old