by fig head » Fri Jan 28, 2011 4:25 pm
Definition of ONCHOCERCIASIS
: infestation with or disease caused by filarial worms (genus Onchocerca); especially : a human disease marked by subcutaneous nodules, dermatitis, and visual impairment and caused by a worm (O. volvulus) found in Africa and tropical America which is transmitted by the bite of a female blackfly —called also river blindness
in case you wondering