| Phenotype details |
sit-12m, walk-24m; 1st word 24m, combined words 36m; intellectual disability; no seizures; truncal hypotonia; gait narrow base of support, short choppy steps; autism, anxiety; excessive sleep (18h/day), low energy; iris brushfield spots, stellate pattern, brilliant blue; left iris coloboma; long eyelashes, synophyrs, nasolacrimal duct obstruction; myopia, exotropia; microcephaly, low set small ears, ear lobe creases, down pointing mouth, slight retrognathia ; pectus excavatum, 2–3 toe syndactyly; 2 maternal half-sisters attention deficit and hyperactivity |