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
Thinnest pa of lens is 
Select and explain. 
A. Anterior pole, B. Posterior pole, C. Posterior capsule, D. Apex
B: Posterior pole
Answer: B: Posterior pole 
Explanation: Lens capsule is a thin, transparent, hyaline membrane surrounding the lens which is thicker over the anterior than the posterior surface. The lens capsule is thickest at pre-equator regions(14u) and thinnest at the posterior pole (3u) Ref;A.K.Khurana; 6th edition; Page no:179