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
All of the following are employed to evaluate a case of heterophoria except: 
Select and explain. 
A. Maddox-rod test, B. Alternate cover test, C. Measurement of fusional reserve, D. Measurement of near point of convergence
B: Alternate cover test
Answer: B: Alternate cover test 
Explanation: Ans. Alternate cover test