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
Which continues to grow in the life time: 
Select and explain. 
A. Cornea, B. Iris, C. Lens, D. Retina
C: Lens
Answer: C: Lens 
Explanation: c Lens ref parsons 19,h/e p.273 , khurana 3rd /e and 2nd/e p. 183