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
Best method of treatment for segmental trichiasis 
Select and explain. 
A. Epilation, B. Electrolysis, C. Cryoepilation, D. Argon laser destruction
C: Cryoepilation
Answer: C: Cryoepilation 
Explanation: Cryoepilaion
Cryoprobe with -20oc is applied for 20-25 seconds.