This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Strabismus, Subject name: Ophthalmology
The least physiological test for BSV 
Select and explain. 
A. Worth four dot test, B. Bagolini striated glasses, C. Synoptophore, D. After image testing
B: Bagolini striated glasses
Answer: B: Bagolini striated glasses 
Explanation: Ans. (b) Bagolini striated glassesRef: Kanski 7/e, p. 751Most physiological and least dissociating test - Bagolini striated glasses testLeast physiological and most dissociating test - After image test