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