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Human eye. Eye. Artwork of a section through a healthy human eyeball
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Human eye. Eye. Artwork of a section through a healthy human eyeball
Eye. Artwork of a section through a healthy human eyeball. Light passes through the cornea (white arch, far left), the eyes main light-focusing structure. The iris (red fingers, centre left) contracts or relaxes to allow the ideal amount of light through the pupil, the iris central hole. The light is finely focused by the lens (white/ blue oval, centre left), before hitting the retina that lines the inside of the eyeball. Signals from the retinas light-sensitive nerve cells travel along the optic nerve (yellow, lower right) to the brain for processing. The hyaloid canal runs through the vitreous humour, the eyeballs jelly filling, from the lens to the optic nerve
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Media ID 6448899
© DAVID GIFFORD/SCIENCE PHOTO LIBRARY
Cornea Eye Ball Eye Sight Iris Lens Optic Nerve Retina Sight Vision Visual Sense Vitreous Humour Section Sectioned
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