This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Special Senses: Vision and its Elements, Subject name: Physiology
[{'content': 'The light rays come to focus in front of the retina because of the increased length of the eyeball in \nSelect and explain. \nA. Myopia, B. Hypermetropia, C. Astigmatism, D. Presbyopia', 'role': 'user'}, {'content': 'Answer: A \nExplanation: (A) Myopia > In myopia, the axial length of the eyeball is increased while in hypermetropia, the axial length of the eyeball is decreased.', 'role': 'assistant'}]