The rarity of the syndrome is such that, since 1966, only 34 cases have been reported. Of those cases, the average onset of<unk>  bobbing is 3 years and 3 months old while surgical intervention occurred on average, at age 6 years and 11 months.
Bobble-head doll syndrome
Phaedra complex
Klumpke paralysis
Incontinentia pigmenti achromians
Skoptic syndrome
Acorea, microphthalmia and cataract syndrome
Oneirophrenia
Cramp fasciculation syndrome