Functioning Eye (Emmetropia)</b> <br>The eye is the organ of sight. It is used in almost everything we do‚ from playing sport to reading. A normal and well functioning eye can focus objects and images‚ both near and far‚ perceive depth and adapt to changes in light. <br> <br>The perception of depth is due to having two separate eyes creating two separate images‚ while the ability to adapt to light change is attributed to the iris and the dilator muscles. However these two aspects of the eye are not
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1-25-12 Conjunctivitis is an inflammation of the eye/eyes. It is caused when the conjunctiva (a thin layer that covers the sclera) is exposed to bacteria or allergens. The most common type of conjunctivitis is known as pink eye and is cause by virus. Viral conjunctivitis can occur in one or two of a person’s eyes. It tends to cause a watery discharge while conjunctivitis caused by bacteria causes a thicker discharge. Both are transmitted to another eye in the discharge. Children are primarily affected
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The eye is a rather small part of the body that makes up seventy percent of the humans total sensory ability. That is why we chose to describe the eye. Each part of the eye works together as a whole. Within and outside of the eye there are many working parts functioning around the clock.. The cornea is a very important part of the eye‚ but you can hardly see it because it’s made of clear tissue. Like glass‚ the cornea gives your eye a window in which to view the world. The a cornea is a
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Eye Trouble “Please Dawn- can you come over right away? “ Paula cried frantically into the phone. “It’s an emergency.” It was a cool‚ crisp day in spring when I received the urgent‚ unforgettable call from my dear friend who confessed that her five year-old sweet angel‚ Dane‚ had crazy-glued her right eye shut. I threw on my coat‚ grabbed my purse‚ and headed straight to Paula’s. What happened that night would surely teach Dane a valuable lesson. Once I got to Paula’s house‚ I
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to cover and protect the surface of the eye. It also lubricates the eye as it moves in the socket. 2- Cornea- the corneas structure is a transparent front window through which light enters the eyeball. It is made up of 3 main structures which are the epithelium‚ stroma and endothelium. Its function is that it performs much of the initial focusing of the image by bending or refracting the light onto the lens. 3- Sclera- its structure is the white of the eye and it is the tough outer layer and it
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Eye Donation Introduction We are one of the fastest growing economies in the world today; ironically‚ we also shoulder one of the largest populations of the visually impaired. There are almost 52 million visually impaired people and 270‚000 blind children in India. That’s almost one-fourth the world’s blind population living in India. For the more academically oriented‚ as some economist pointed out‚ this could mean a cumulative loss of over $ 11.1 billion to our GNP! It is this kind of a grave
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EYE DEFECTSAND DISEASES STRABISMUS: A visual problem in which the eyes are not aligned properly and point in different directions. One eye may look straight ahead‚ while the other eye turns inward‚ outward‚ upward‚ or downward. The eye turn may be consistent‚ or it may come and go. Which eye is straight (and which is misaligned) may switch or alternate. CAUSES:With normal vision‚ both eyes aim at the same spot. The brain then combines the two pictures into a single‚ three-dimensional image
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Human Eye The eye is a wonderful and the most complex organ of the human body. It is strange to learn that such a small organ has so many parts. The human eye provides us with the ability to visualize the world around us. Light enters the eye through the cornea and excites special neurons on the retina. The brain receives this information and interprets it so that we are aware of what we are seeing. The parts of the eye contribute to its proper function. A. Parts of the Human Eye A1
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Cow’s eye dissection AIM ~ To locate and distinguish specific parts to an eye of a cow‚ in particular‚ its lens. OBSERVATIONS ~ Before actually beginning the dissection of the cow’s eye‚ we were about to sketch a fairly relative picture of our observing’s of the exterior body of the eye. The eye‚ having almost completely being sheltered in fat and muscle‚ was quite firm and only the cornea and optic nerve was identified. By further cutting down the fat‚ we were able to spot a rather tough pinkie
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The human eye is the organ which gives us the sense of light allowing us to learn more about the surrounding world than any of the other five senses. We use our eyes in almost everything we do whether reading‚working watching television ‚writing a letter driving a car and countless other activities The eye allows us to see and interpret the shapes‚ colors‚ and dimensions of objects in the world by processing the light they reflect of give off. Aqueous humor clear watery fluid found in the anterior
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