The short video explains the development of the optic cup, a component of the eye efficiently, with the help of diagrams. TIMELINE: 0:08 summary of the formation of neural tube 0:56 Events occurred on 22nd day of embryo’s development 1:10 Optic vesicles come in contact with the surface ectoderm 1:12 The optic vesicle then starts to invaginate and forms the optic cup 1:20 Optic cup is formed