Lens is derived from
Unlike the rest of the eye, which is derived mostly from the neural ectoderm, the lens is derived from the surface ectoderm. ... As the placode continues to deepen, the opening to the surface ectoderm constricts and the lens cells forms a structure known as the lens vesicle. Latin: lens crystallin Function: Refract light
Ectoderm
Endoderm
Mesoderm
Neuroectoderm
General anatomy