on·cho·cer·ci·a·sis /ˌɑŋkoˌsɚ/
  盤尾絲蟲病
  on·cho·cer·ci·a·sis /ˌɑŋkoˌsɝˈkaɪəsəs/ 名詞
  盤尾絲蟲病
  onchocerciasis
       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]