The diffrent parts of the eyeball are detachable to show the following structures:
1) Tunica external: showing cornea and sclera with attachments of occular muscles and optic nerve. 2) Tunica media: showing the iris, ciliary body and chorioid. 3) Tunica internal shows retina. 4) Refraction media showing the lens and the vitreous body. 5) This model is enlarged 6 times and on a stand.