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
Biomicroscopic examination of the fundus is performed with the help of: 
Select and explain. 
A. -58.6 D Hruby lens, B. +78 D small diameter lens, C. Both of the above, D. None of the above
C: Both of the above
Answer: C: Both of the above 
Explanation: Ans. Both of the above