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
Bacteria not causing ophthalmia neonatorum ? 
Select and explain. 
A. Chlamydia, B. Gonococcus, C. Pseudomonas, D. Moraxella
D: Moraxella
Answer: D: Moraxella 
Explanation: Ans. is 'd' i.e., Moraxella Ophthalmia neonatorum Ophthalmia neonatorum, also called neonatal conjunctivitis, is the conjunctivitis in the first month of life. Infection may be acquired during bih from infected bih canal (most common) or after bih. The causative agents are : - Common organisms are : - Gonococcus, C. trachomatis, Herpes simplex virus. Other organisms are : -Staphylococcus aureus, pneumococcus, Streptococcus, Pseudomonas, Serratia, Klebsiella. Chemical conjunctivitis : - Caused by use of silver nitrate or antibiotic prophylaxis.