Knobloch syndrome


Type of disease: Rare conditions

Knobloch syndrome is characterized by severe nearsightedness (myopia), recurrent retinal detachment, and encephalocele. This condition has an autosomal recessive pattern of inheritance. There are three types of Knobloch syndrome, which can be distinguished by the underlying genetic cause. The condition is called Knobloch syndrome type I when it is caused by mutations in the COL18A1 gene. The genes associated with Knobloch syndrome type II and type III have not been identified; however, Knobloch syndrome type III has been linked to a specific region on chromosome 17, known as 17q11.2. Source: Genetic and Rare Diseases Information Center (GARD), supported by ORDR-NCATS and NHGRI.

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