Development of ciliary body and Iris

The given video gives precise information about the development of the ciliary body and iris. This video also explains neural plate and neural tube formation. TIMELINE: 0:00 Introduction 0:18 Three layers of embryo 0:30 Neural plate formation 0:44 Neural tube formation 0:56 Optic sulci formation 1:10 Optic cup formation 1:26 Development of iris and ciliary body