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Causes
By Mayo Clinic staffTrachoma is caused by certain subtypes of Chlamydia trachomatis, a bacterium that can also cause the sexually transmitted disease chlamydia.
Trachoma spreads through contact with discharge from the eyes or nose of an infected person. Hands, clothing, towels and insects can all be routes for transmission. In the world's developing countries, flies are a major means of transmission.
- Trachoma. World Health Organization. http://www.who.int/water_sanitation_health/diseases/trachoma/en/index.html. Accessed May 20, 2010.
- What is trachoma? International Trachoma Initiative. http://www.trachoma.org/core/sub.php?cat=trachoma&id=trachoma. Accessed May 20, 2010.
- Conjunctivitis. The Merck Manuals: The Merck Manual for Healthcare Professionals. http://www.merck.com/mmpe/sec09/ch101/ch101c.html#sec09-ch101-ch101c-273. Accessed May 20, 2010.
- WHO simplified trachoma grading system. Community Eye Health. 2004;17:52. http://www.ncbi.nlm.nih.gov/pmc/articles/PMC1705737. Accessed May 20, 2010.
- Wright HR. Epidemiology, diagnosis, and management of trachoma. http://www.uptodate.com/home/index.html. Accessed May 20, 2010.
- Trachoma. Centers for Disease Control and Prevention. http://www.cdc.gov/ncidod/dbmd/diseaseinfo/trachoma_t.htm. Accessed May 20, 2010.
- Robertson DM (expert opinion). Mayo Clinic, Rochester, Minn. June 1, 2010.
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