MONDO_0009875 (achromatopsia 3) can be described as follows. Any achromatopsia in which the cause of the disease is a mutation in the CNGB3 gene. Also known as: ACHM1, ACHM3, CNGB3 achromatopsia, RMCH1, achromatopsia caused by mutation in CNGB3, achromatopsia type 3, rod monochromacy 1, rod monochromatism 1.