<prompt> Lens develops from:Surface ectodermNeuroectodermMesodermEndoderm  <response>: Ans: a surface ectoderm Ref: parson 20th ed p- 4Structures arising from various primodial layers:Neural ectoderm:Mesoderm:smooth muscle of the irisiris epitheliumciliary epitheliumretinaretinal pigment epitheliumfibres of the optic nervepart of vitreousextraocular musclescorneal stromasclerairischoroidspart of vitreousSurface ectoderm:conjunctival epitheliumcomeal epitheliumlacrimal glandstarsal glandslens 