Relier Pairs The eyesVersion en ligne The eyes par Alba Castellano Navarro 1 Aqueous humour 2 Vitreous humour 3 Cristaline lens 4 Iris 5 Eyebrows 6 Retina 7 Pupil 8 Eyelashes 9 Optic nerve 10 Eyelid 11 Fovea 12 Lacrimal glands 13 Sclera Produce tears, which clean the eye and keep it moist. They also destroy bacteria. Is a circular structure. Its colour varies from person to person. It transmits the information to the brain. Is an area of the retina with many cones. It is responsible for sharp vision. It is a transparent fluid between the cornea and the crystalline lens. It is the internal layer of the eyeball that contains photoreceptor cells called cones and rods. Are folds of skin that are opened and closed by the eye orbit muscles. They prevent the eyeball from drying out and stop particles from entering. It is an elastic, transparent, biconvex structure behind the iris. It is the hole in the center of the iris. Is the opaque, white outer layer. The front part (cornea) is transparent. Are hairs that grow out of the eyelids. They limit access to light and stop particles from entering the eyes. It is transparent, gelatinous fluid filling the eyeball. Are hairs that stop sweat from entering the eye.
