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Human Eye Anatomy

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Human Eye Anatomy
e, L. (2016). Human Eye Anatomy - Parts of the Eye Explained. [online] All About Vision.)
Lens: The lens is positioned behind the cornea. It has a nearly spherical structure that enables the eye to focus on an object either moving closer to or farther away from you, the lens focuses the light rays bouncing of the objects and onto the retina. It’s used to diffract light rays. It can only be damaged by a disease called”cataract”. The cataract causes clouding. lateral rectus muscle: This is one of six extraocular muscles that moves the eye all directions(left, right, up, down).
Sclera: It is the outer coat of the eyeball that surrounds the optic nerve at the back of the eye. It’s a leather-like tissue, that extends around the eye and give the eye its shape.
Choroid:The choroid is between the
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The fovea gives us our central vision clearness. This gives us the ability to read, watch television and drive. Our peripheral retina has blood vessel attached to them, but the fovea does not have blood vessels attached to them.
Optic nerve: carries the electrical impulses from the retina to the visual cortex located in the brain
Optic nerve head: The optic nerve passes through the circular area, it is the eye’s blind spot
Vitreous body: It contains a transparent jelly substance called the vitreous humor.
Medial rectus muscle: This muscle moves the eye down,
Ciliary body: is between the iris and the choroid; these create the uvea. Its main functions is to produce aqueous humor, accommodation and to keep the lens in its proper position
Suspensory ligament zonules: is a membrane that keeps the eye’s lens in its correct position
Conjunctiva: it lines the visible part of the eye and in the inner surface of the eyelids
Iris:
Aqueous humor:
Pupil:is positioned behind the cornea and is within the anterior chamber. It is a round, dark center of the eye, which regulates the amount of light the retina receives by opening and closing the

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