Cause of blindness in trachoma-: (A) Scarring, (B) Pannus, (C) Chronic dacrocystitis, (D) Entropion
Answer is A. Trachoma is a leading cause of preventable blindness worldwide, Conjunctival scarring which may be irregular, star-shaped or linear. Linear scar present in the sulcus subtarsalis is called Arlt&;s line. ref : A K KHURANA text of Ophtalmology,E4, page-64