Design and validation of a trachomatous trichiasis-only survey: strategic and technical advisory group for neglected tropical diseases, working group on monitoring and evaluation

The Fifty-first World Health Assembly adopted resolution WHA51.11 in 1998, which targets the global elimination of trachoma as a public health problem by 2020 (1). The strategy recommended to achieve that goal is encapsulated by the acronym “SAFE”, which represents: Surgery for individuals with trachomatous trichiasis (TT; the late blinding stage of trachoma); and Antibiotics, Facial cleanliness and Environmental improvement (2). The A, F and E interventions are delivered to entire districts in which active (inflammatory) trachoma is common in order to treat ocular infection with Chlamydia trachomatis, the causative organism of trachoma, and sustainably reduce its transmission.
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