<prompt> The embryonic vascular layer of the eye is derived fromNeural crestMesodermEctodermSurface ectoderm  <response>: Mesoderm 8-9-Khurana 4th 5-Parson 20thStructures derived from the Embryonic layers1. Surface ectoderm2. Neural ectoderma The crystalline lensb Epithelium of the corneac Epithelium of the conjunctivad Lacrimal glandse Epithelium of eyelids and its derivatives, viz.: cilia, tarsal glands, and conjunctival glands.f Epithelium lining the lacrimal apparatus Lacrimal glands, Tarsal glandsa Retina with its pigment epitheliumb Epithelial layers of ciliary bodyc Epithelial layers of irisd Sphincter and dilator papillae musclese Optic nerve neuroglia and nervous elements onlyf Melanocytes - Retinal pigment epitheliumg Secondary vitreoush Ciliary zonules3. Associated paraxial mesoderma Blood vessels of choroid, iris, ciliary vessels, central retinal artery, other vessels Vascular endothelium of eye and orbitb Primary vitreousc Substantia propria, Descemets membrane, and endothelium of cornead The sclerae Stroma of irisf Ciliary muscleg Sheaths of optic nerveh Extraocular musclei Fat, ligaments and other connective tissue structures of the orbitj Upper and medial walls of the orbitk Connective tissue of the upper eyelid4. Visceral mesoderm of maxillary process below the eyea Lower and lateral walls of orbitb Connective tissue of the lower eyelid. 