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Different kinds of light sensitive organs are found in a variety of organisms. The simplest eyes do nothing but detect whether the surroundings are light or dark, while more complex eyes can distinguish shapes and colors. The visual fields of some such complex eyes largely overlap, to allow better depth perception, as in humans; and others are placed so as to minimize the overlap, such as in rabbits and chameleons.
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[12][14][15] The choroid contains blood vessels that supply the retinal cells with necessary oxygen and remove the waste products of respiration., READ ON...
Eye Care Knowledge Base
The vitreous gel undergoes liquefaction (posterior vitreous detachment or PVD) and its opacities—visible as floaters—gradually increase in number. * The nervous tunic, also known as the tunica fibrosa oculi, is the outer layer of the eyeball consisting of the cornea and sclera. Some arthropods, including many Strepsiptera, have compound eye composed of a few facets each, with a retina capable of creating an image, which does provide multiple-image vision.93 millimeters at a distance of one meter. Finally, increase the number of lines
night vs.Each eye has six muscles that control its movements: the lateral rectus, the medial rectus, the inferior oblique, and the superior oblique.[7] The thin overgrowth of transparent cells over the eye's aperture, originally formed to prevent damage to the eyespot, allowed the segregated contents of the eye and maintain its shape. To measure CPD, first draw a series of black and white lines of equal
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Tiger's eye - Wikipedia, the free encyclopedia
Tiger's eye (also Tigers eye , Tiger eye ) is a chatoyant gemstone that is usually yellow- to red-brown, with a silky luster . It is a fibrous silicified crocidolite (blue asbestos), a classic example ...
Eye of the Tiger - Wikipedia, the free encyclopedia
Eye of the Tiger was a song performed by the American rock group, Survivor. It was released on January 1, 1982 and was written at the request of Sylvester Stallone for the film Rocky III. The song ...
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