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: Pathology
[{'content': 'The pa of the Lens which undergoes a change in shape during accommodation is? \nSelect and explain. \nA. Anterior central pa, B. Posterior central pa, C. Anterior peripheral pa, D. Posterior peripheral pa', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Mechanism of AccommodationEye at rest Ciliary ring is large and keeps the zonules tense Contraction of ciliary muscle Ciliary ring shoened and releases zonular tension on lens capsule - allows the elastic capsule to act unrestrained to deform the lens substance - lens (anterior peripheral pa ) alters its shape to become more convex or conoidal (Refer: AH Khurana, Comprehensive Textbook of Ophthalmology,5thedition, pg no: 41)', 'role': 'assistant'}]