<unk>  is an extremely rare disorder that occurs in one of every million births worldwide. Several dozen cases have been reported in the medical community, and in the reported cases of the disorder, it has been found that the females are twice as likely to have the disorder as men.
Donohue syndrome
Nance–Horan syndrome
Eagle syndrome
Reynolds syndrome
Seaver Cassidy syndrome
Dorian Gray syndrome
Horner's syndrome
Corneal-cerebellar syndrome