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