This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: All India exam, Subject name: Physiology
[{'content': 'Entropion is \nSelect and explain. \nA. Inversion of eyelid, B. Inversion of eyelashes, C. Eversion of eyelid, D. Eversion of eyelashes', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Entropion is a condition in which the lower eyelid turns inward, rubbing against the eye. Entropion occurs most commonly as a result of aging. Infection and scarring inside the eyelid are other causes of entropion.', 'role': 'assistant'}]