A cataract that occurs congenitally as the result of a developmental defect, in contrast to the majority of cataracts that occur in adulthood as the result of degenerative changes of the lens. The phenotype is Human Phenotype Ontology id HP_0000519 (Developmental cataract). Also known as: Bilateral congenital cataracts, Cataract, congenital, Clouding of the lens of the eye at birth, Congenital cataract, Congenital cataracts, Congenital cataracts, bilateral.