system
Medical AI Inquiry: You were designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.
user
The pa of the Lens which undergoes a change in shape during accommodation is?
assistant
The correct answer is  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)