This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Lens, Subject name: Ophthalmology
The capsule of the crystalline lens is thinnest at - 
Select and explain. 
A. Anterior pole, B. Posterior pole, C. Equator, D. None
B: Posterior pole
Answer: B: Posterior pole 
Explanation: The lens capsule is thickest at pre-equator regions (14u) and thinnest at the posterior pole (3u).