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
Thinnest poion of sclera ? 
Select and explain. 
A. Anterior to rectus muscle inseion, B. Posterior to rectus muscle inseion, C. Posterior pole, D. Limbus
B: Posterior to rectus muscle inseion
Answer: B: Posterior to rectus muscle inseion 
Explanation: Ans. is.b, Posterior to rectus muscle inseion Thinnest poion of sclera- Posterior to inseions of rectus muscle. Thickest poion of sclera- Posterior pole.