Amaurosis congenita of Leber, 4 (medical condition)

A rare inherited retinal disease (retinal dystrophy) that starts during the fetal stage. Vision impairment is obvious at birth or within months of birth. Type 4 is distinguished from the other forms of this condition by the genetic origin of the defect – chromosome 17p13.1, AIPL1 gene. See also Amaurosis congenita of Leber, type 4