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
Maximum refraction takes place between? 
Select and explain. 
A. Air tear film, B. Tear film and cornea, C. Cornea and aqueous, D. Aqueous lens
B: Tear film and cornea
Answer: B: Tear film and cornea 
Explanation: Tear film and cornea REF: khurana 4th ed page 26 "Maximum refraction in eye takes place between tear film and cornea"