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Up to: X-linked recessive disease · Achromatopsia · X-linked cone-rod dystrophy
Blue cone monochromacy
Blue cone monochromatism (BCM) is a recessive X-linked disease characterized by severely impaired color discrimination, low visual acuity, nystagmus, and photophobia, due to dysfunction of the red (L) and green (M) cone photoreceptors. BCM is as an incomplete form of achromatopsia.
This condition has no sub-types.