GNU Collaborative International Dictionary of English

Found one definition

      
onchocerciasis n. (Med.) An infection with nematodes of the genus Onchocerca, especially Onchocerca volvulus.  Untreated, such infections can cause serious dermatological problems, and in advanced cases may lead to blindness.  In certain areas of tropical Africa the blindness caused by onchocerciasis is called river blindness.

[PJC]

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