Conclusion:
Eye is located in a bony socket or orbit, in the skull. The eyeball is a spherical fluid-filled structure which contains three tissue layers. The outermost layer is tough white sclera, the middle layer is choroid and the inner layer is called retina. Internally the eye. ball is divided by the lens and ligaments into an anterior and a posterior chamber. The choroid extends anterior to lens as a ring called iris (dark colored). Iris in the centre has a hole called pupil. Behind the eye
ball is the optic stalk which encloses the optic nerve.