Fraser syndrome is a rare genetic disorder characterized by partial webbing of the fingers and/or toes (partial syndactyly), kidney (renal) abnormalities, genital malformations, and/or, in some cases, complete fusion of the eyelids (cryptophthalmo...

Megalocornea-mental retardation (MMR) syndrome, otherwise known as Neuhauser syndrome, is an extremely rare genetic disorder characterized by distinctive abnormalities of the eye, several degrees of cognitive impairment, and a wide variety of addi...

Congenital Varicella Syndrome is an extremely rare disorder in which affected infants have distinctive abnormalities at birth (congenital) due to the mother's infection with chickenpox (maternal varicella zoster) early during pregnancy (i.e., up t...

WAGR syndrome/11p deletion syndrome is a rare genetic syndrome in which there is a predisposition to several conditions, including certain malignancies, distinctive eye abnormalities, and/or intellectual disability. "WAGR" is an acronym for the ch...