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Rocio 6ºA

sight. Rocio 6ºA. The view. * View  helps to see shapes, colors, sizes, distances and positions, distances and positions. And  to help the  human beings to react from the enviroment and detect information about there. T he eyes are the organ of sight.

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Rocio 6ºA

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  1. sight Rocio 6ºA

  2. Theview • * View helps to see shapes, colors, sizes, distances and positions,distances and positions. And to help the human beings to react from the enviroment and detect information about there. • The eyes are the organ of sight. • The eye has different parts that protect: orbit, eyelids, lacrimal gland, eyelashes and eyebrows. Transparent parts that form are:  pupil, lens, retina, iris and cornea.

  3. funcion • funcionof the eye is to translate the vibrations of light in nerve impulses that are transmitedto the brain to the optic nerve. • The cornea is a tough membrane composed of five layers, the most important are the uperand lower eyelids.

  4. EyeOperation: The movements of the eyeball to the right, left, up or down are carried out by the six eye muscles. The optic nerve enters the eyeball underneath the retina causing small spot, this structure is the blind spot because no light-sensitive cells.

  5. diseases • hemeralopia: • myopia: • Farsightedness • diplopia • astigmatism: • blindness: • Conjunctivitis:

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