anterior neural tube, anterior placodal area, brain, branchial arch, branchial crest, chordal neural plate border, cranial neural crest, ectoderm, eye, eye primordium, forebrain, hindbrain, midbrain, migratory neural crest cell, neural crest, neural fold, neural plate, neural plate border, neural tube, neuroectoderm, optic vesicle, posterior branchial crest, posterior neural tube, postmigratory neural crest cell, pre-chordal neural plate, pre-chordal neural plate border, premigratory neural crest cell, retina