Infestation with slender threadlike roundworms (filaria) deposited under the skin by the bite of black fleas

• Common in Africa and tropical America
• When the eyes are involved it can result in blindness

Wikipedia Word definitions in Wikipedia
Onchocerciasis , also known as river blindness and Robles disease , is a disease caused by infection with the parasitic worm Onchocerca volvulus . Symptoms include severe itching, bumps under the skin, and blindness . It is the second most common cause ...

WordNet Word definitions in WordNet
n. infestation with slender threadlike roundworms (filaria) deposited under the skin by the bite of black fleas; when the eyes are involved it can result in blindness; common in Africa and tropical America [syn: river blindness ]

Wiktionary Word definitions in Wiktionary
n. (context medicine English) A disease caused by a worm of the genus (taxlink Onchocerca genus noshow=1), especially as transmitted to humans by flies and often causing blindness; common in tropical Africa.

The Collaborative International Dictionary Word definitions in The Collaborative International Dictionary
onchocerciasis \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 ...