Fig. 6. Seventh week embryo with completed maxillar and mandibular midline fusion, continued frontal rotation of the orbits and prominent frontonasal overhang. (Fries PD, Katowitz JA: Congenital craniofacial anomalies of ophthalmic importance. Surv Ophthalmol 35:87, 1990, with permission from Elsevier Science.)