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: Pediatrics
[{'content': 'In infants, the cause of blindness arising out of oxygen toxicity is – \nSelect and explain. \nA. Degeneration of crystalline lens, B. Growth of blood vessels into vitreous followed by fibrosis, C. Damage to cornea, D. Enzymic defect in lens', 'role': 'user'}, {'content': 'Answer: B \nExplanation: None', 'role': 'assistant'}]