Your Eye Cares
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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Independently, a transparent layer and a nontransparent layer split forward from the lens: the cornea and iris. In many animals, including, READ ON...
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It can be reversed by irrigating the eye with hypertonic saline which osmotically draws the excess water out of the eye. * The nervous tunic, also known as the tunica nervosa oculi, is the inner sensory which includes the retina. The smooth pursuit movement can move the eye at up to 100°/s in adult humans. At the conclusion of an eye examination, an eye doctor may provide the patient with an eyeglass prescription for corrective lenses. The lens, behind the iris, is
As for the optic nerve, once it is damaged it cannot be fixed. The size of the pupil governs the amount of light that can reach the retina. 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. The fovea is a dip in the retina directly opposite the lens, which is densely
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HINTS FOR DETERMINING CAT COLOR
The CFA Mentor Program is sponsored by The Hartz Mountain Corporation : Hints for Determining Cat Color. Eye Color - Although the eye color of the cat is helpful in picking the correct coat color of a ...
Iris (anatomy) - Wikipedia, the free encyclopedia
In general, blue eyed parents have blue eyed children; rare exceptions occur due to genes which control the patway to determining eye color. Though this explanation gives an idea of eye color ...
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