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
The operation of plication of inferior lid retractors is indicated in: 
Select and explain. 
A. Senile ectropion, B. Senile entropion, C. Cicatricial entropion, D. Paralytic entropion
B: Senile entropion
Answer: B: Senile entropion 
Explanation: Ans. Senile entropion