river blindness
noun/ˈrɪvə blaɪndnəs/
/ˈrɪvər blaɪndnəs/
[uncountable] (medical)- a tropical skin disease caused by a parasite of certain flies that are found in rivers, which can also cause a person to become blind
盘尾丝虫病，河盲症（由河中繁殖的苍蝇的寄生虫引起的热带皮肤病，可导致失明）