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