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Cone dystrophy is manifested by the loss of acute visual acuity (which cannot be corrected with glasses), severe sensitivity to light (photophobia) and blind spots (scotomas) in the peripheral vision, which progress and produce poor vision in dimly lit or dark environments ("night blindness") and total loss of the peripheral visual field, which can be progressive.
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Rod and cone dystrophies (CRDs) are inherited retinal dystrophies. They are included in the group of retinitis pigmentosa, and, more generally, in that of retinopathy pigmentosa. Cones are responsible for color and detail vision. Cone dystrophy is a disease of hereditary degeneration of the cone receptors, whose hallmark includes the "trilogy" of progressive loss of central visual acuity, disturbance in color vision and sensitivity to light (photophobia) which can be progressive.
The size of the pot for its the only thing that changes
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Blood always moves through the body by the heart’s pumping action. The muscles in the legs assist blood flow by their action. Aiding these actions, the veins have valves in them that prevent the blood from flowing backward.
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it orbits the Earths atmosphere
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In addition to playing this structural role, the cytoskeleton is responsible for cell movements. These include not only the movements of entire cells, but also the internal transport of organelles and other structures (such as mitotic chromosomes) through the cytoplasm.
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