This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: FMGE 2019, Subject name: Anatomy
A man with convergent squint in one eye vision is 6/60 and another eye no squint with vision 6/60. Next step 
Select and explain. 
A. MRI, B. Squint surgery, C. Botulinum toxin, D. Glasses
B: Squint surgery
Answer: B: Squint surgery 
Explanation: Squint surgery Convergent squint Angle of detion: Large and constant Amblyopia: Develops in 25-40% of cases Associations include Inferior oblique overaction Dissociated veical detion (70%) Latent horizontal nystagmus Treatment Surgery: Treatment of choice Amblyopia correction measures: Patching of normal eye Recession of both medial recti.