hypertelorism

Abnormal increase in the interorbital distance due to overdevelopment of the lesser wings of the sphenoid.

Etiology (exemples)

 craniosynostoses

• Pfeiffer syndrome

 fetal immotility sequence (Pena-Shokeir syndrome)
 otopalatodigital syndrome type 2
 chromosomal diseases

• Wolf-Hirschhorn syndrome (4p- syndrome) (del(4p))
• trisomy 22

See also

 telecanthus
 hypotelorism