trachoma

noun

tra·cho·ma | \ trə-ˈkō-mə

Definition of trachoma

: a chronic contagious bacterial conjunctivitis marked by inflammatory granulations on the conjunctival surfaces, caused by a chlamydia (Chlamydia trachomatis), and commonly resulting in blindness if left untreated

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This debate is familiar territory to trachoma researchers, including those at the Proctor Foundation, which works to prevent blindness. — Maryn Mckenna, WIRED, "The Catch-22 of Mass-Prescribing Antibiotics," 10 May 2018 Azithromycin has been administered prophylactically for two decades to communities in parts of Africa, the Middle East and Asia en masse to prevent trachoma, a bacterial infection that causes blindness. — Betsy Mckay, WSJ, "Prophylactic Antibiotic Use Could Reduce Childhood Death Rate," 25 Apr. 2018 One estimate finds that surgery that prevents blindness induced by trachoma, an infectious disease, costs a charity just $100 per operation. — The Economist, "Can “effective altruism” maximise the bang for each charitable buck?," 2 June 2018 A decade ago, a group of researchers were studying how best to prevent trachoma, a blinding bacterial infection, in clusters of villages in Ethiopia. — Maryn Mckenna, WIRED, "The Catch-22 of Mass-Prescribing Antibiotics," 10 May 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'trachoma.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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The first known use of trachoma was circa 1693

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trachoma

noun

tra·cho·ma | \ trə-ˈkō-mə

Medical Definition of trachoma

: a chronic contagious conjunctivitis marked by inflammatory granulations on the conjunctival surfaces, caused by a bacterium of the genus Chlamydia (C. trachomatis), and commonly resulting in blindness if left untreated