This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Diseases of orbit, Lids and lacrimal apparatus, Subject name: Ophthalmology
Most common couse of trichiasis is- 
Select and explain. 
A. Stye, B. Trachoma, C. Blephritis, D. Congenital
B: Trachoma
Answer: B: Trachoma 
Explanation: Other causes are ulcerative blepharitis, healed membranous conjuctivitis ,stye , burns. Ref : Ak khurana 6th edition Ref img