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
The refracting structures of the eye constitute a homocentric system of lenses. Refractive power of cornea is: 
Select and explain. 
A. 1.31, B. 1.33, C. 1.37, D. 1.42
C: 1.37
Answer: C: 1.37 
Explanation: Refractive power Value Cornea Aqueous humor Lens Vitreous humor 1.37 1.33 1.42 1.33 Ref: Comprehensive Ophthalmology by A K Khurana, 4th edition, Page 26.