CBM US (Christian Blind Mission International, Inc.) is an Illinois not-for-profit corporation, founded in the 1980s. From October 2018, CBM Germany became the sole member of CBM US. CBM US is supported by approximately 2,000 individual donors and institutional donors. CBM US focuses its programmatic work in eye health—the prevention of avoidable blindness, the training of ophthalmologists and the elimination of onchocerciasis in Africa. For the elimination of onchocerciasis, Merck USA is regularly donating valuable quantities of Mectizan to CBM US.