TUBB3 and congenital fibrosis of the extraocular muscles: Features of the TUBB3 E410K syndrome (CFEOM3A, MIM #600638) include CFEOM, bilateral CFP, developmental delay, progressive sensorimotor polyneuropathy, Kallmann syndrome, stereotyped midface hypoplasia, and in some cases, vocal cord paralysis, tracheomalacia, and cyclic vomiting [7].