Will the SAFE Strategy Be Sufficient to Eliminate Trachoma by 2020? Puzzlements and Possible Solutions

Table 1

World Health Organization simplified classification of trachoma infection.

Grade	Description
Follicular trachoma (TF)	The presence of 5 or more follicles (of at least 0.5 mm) in the upper tarsal conjunctiva
Inflammatory trachoma (TI)	Pronounced inflammatory thickening of the tarsal conjunctiva that obscures more than half of the deep normal tarsal vessels
Trachomatous scarring (TS)	The presence of scarring in the tarsal conjunctiva
Trichiasis (TT)	At least one lash touches the eyeball
Corneal opacity (CO)	The presence of easily visible corneal opacity which obscures at least some of the pupil