This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Ophthalmology
Lens develops from 
Select and explain. 
A. Neuroectoderm, B. Surface ectoderm, C. Mesoderm, D. Neural crest
B: Surface ectoderm
Answer: B: Surface ectoderm 
Explanation: None