###Rationale: Centre of the lens [Ref: Parson 20/e p52, 53, and 59J Repeat. from May10

###Answer: OPTION C IS CORRECT.
###Question: Which component of the eye has maximum refreactive index:
###Options:
A. Anterior surface of the lens
B. Posterior surface of the lens
C. Centre of the lens
D. Cornea
