eye layers of eyeball

appears blood body bottom choroid ciliary collagen composed conjunctiva connective crosssectioned epithelium eye eyeball fibers histology insertion lamina layer layers light many micrograph microscope microscopic microscopy mucous muscle nonkeratinized ocular oculomotor ophthalmic ophthalmology pigment pigmented pink propria retina sclera showing squamous stratified striated stroma subepithelial that tissue top vessels