Timelapse of ptch2tc294z mutant optic cup morphogenesis. Single confocal section from a 4D data set showing right optic vesicle, ~12-24 hpf. Time interval between z-stacks, 2.75 minutes. Dorsal view. Embryo labeled with EGFP-CAAX (membranes, green) and H2A.F/Z-mCherry (nuclei, magenta).