All are features of Trachoma stage III, except –

Stage III of trachoma is cicatrising or scarring stage. So, Herbert pits (are healed scars of Herbert follicles), scar on tarsal conjunctiva & necrosis in scar are all the features of stage III. Where as herbert follicles (IIa), papillary hyperplasia (IIb), Pannus is found in stage II.