title: Symposium: Congenital cataracts. Introduction.
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D001766:Blindness / Q000209:etiology; D002386:Cataract / Q000145:classification / Q000150:complications / Q000151:congenital*; D002648:Child; D002675:Child, Preschool; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D008875:Middle Aged