Catalog
Blue cone monochromatism
No MMS code
Link to WHO Definition
Blue cone monochromatism – http://id.who.int/icd/entity/215497582
X-linked incomplete monochromatism is a hereditary bilateral retinopathy that is non-progressive, and spares rods and blue cones. It is characterised by slight, regular pendular nystagmus that decrease with age, along with a loss of visual acuity and defective colour sight.