This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Conjuctiva, Subject name: Ophthalmology
Ophthalmia neonatorum is caused by all except: 
Select and explain. 
A. Chlamydia trachomatis, B. N. gonorrhoea, C. Staph, aureus, D. Proteus
D: Proteus
Answer: D: Proteus 
Explanation: Ans: d (Proteus) Ref: Khurana, 4th ed, p. 71Ophthalmia neonatorum is bilateral inflammation of conjunctiva occurring in an infant less than 30 days. Proteus is not mentioned as a causative agent of ophthalmia neonatorum.Causative agents:a. Chemical conjunctivitisb. Gonococcal infectionc. Other bacteria - staphylococcus, streptococcus hemolyticus, pneumococcusd. Chlamidia trachomatis - inclusion conjunctivitise. Herpes simplex type 2