Labels:daily | hakham | web site OCR: EYES OUR EYES consist of two round spheres called eyeballs which are about 2.5 cm (1 inch across and contain the main structures that enable you to see They are supported and protected by two fat lined sockets in the hard, bony skull. Only one sixth of the surface the eyeballis visible Small muscles inside each socket are attached to the eyeball and move around to follow objects. The light that enters your eyes activates sensitive cells in the retina at the back of the eyes. These send messages tc your brain which interprets the things that your eyes see