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
[{'content': 'Organism not invading intact cornea \nSelect and explain. \nA. Gonococci, B. C. diphtheriae, C. Meningococci, D. Pseudomonas', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Answer- D. PseudomonasThe organisms which can penetrate intact corneal epithelium are Neisseria gonorrhoea, Haemophilus aegyptus, corynebacterium diphthriae, Listeria species and Neisseria meningitidis.', 'role': 'assistant'}]