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a jelly-like substance located in the anterior chamber of the eye |
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layer that is located behind the retina and absorbs unused radiation |
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a ring-shaped muscle attached to the iris. It controls the shape of the lens |
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a strong clear bulge located at the front of the eye. it contributes to the image forming process by refracting light entering the eye. |
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is a small depression in the retina. this is the part in which high-resolution vision of of fine detail is possible |
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this divides the aqueous humor from the vitreous humor |
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this is a diaphragm of variable size whose function is to adjust the size of the pupil to regulate the amount of light admitted into the eye |
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is a flexible unit that consists of layers of tissue enclosed in a tough capsule. it is suspended from the ciliary muscles by the zonule fibers |
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this is the second cranial nerve and is responsible for vision. |
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is also known as the blind spot and is located at the position from which the optic nerve leaves the retina |
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the aperture through which light enters the eye. This is formed by the iris. |
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this may be described as the screen on which an image is formed by light that has passed into the eye. it also contains photosensitive elements (rods and cones) that convert the light they detect into nerve impulses that are then sent onto the brain along the optic nerve. |
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is a tough white sheath around the outside of the eye-ball. this is what makes up the white of the eyeball. |
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a straight line that passes through both the centre of the pupil and the centre of the of the fovea |
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attach the lens to the ciliary muscles |
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