Editorial |

Trachoma Control:  Is Azithromycin the Answer for Trichiasis Too?

Charles Lin, BA; Tom Lietman, MD
Arch Ophthalmol. 2007;125(6):819-820. doi:10.1001/archopht.125.6.819.
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Trachoma is a disease with 2 forms: the chlamydia infection found mostly in children, and the cicatricial, blinding sequelae found mostly in adults. Antibiotics such as oral azithromycin have been shown to be effective in controlling the infectious phase of trachoma in community-randomized, controlled trials.1,2 However, the late stages of cicatricial entropion and trichiasis have been more resistant to treatment. Lid surgery offers temporary protection against corneal ulceration, but trichiasis recurs in up to 50% of cases in the first few years.35 Some believe that once conjunctival scarring has occurred, the cascade of entropion, trichiasis, and corneal opacity is inevitable. Others believe that repeated chlamydia infection drives further scarring and entropion, and that preventing infection will decrease postoperative recurrences.6 Three groups recently concluded separate randomized controlled trials that investigated whether azithromycin given at the time of trichiasis surgery improved outcomes.79

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Trichiasis surgery in The Gambia: a 4-year prospective study. Invest Ophthalmol Vis Sci 2010;51(10):4996-5001.