Oculocerebrocutaneous syndrome (OCCS) is a rare congenital disorder associated with an intellectual disability and is typically characterized by the triad of eye, central nervous system and skin malformations.

Short distance from the end of the finger to the most distal interphalangeal crease or the distal interphalangeal joint flexion point. That is, hypoplasia of one or more of the distal phalanx of finger.