Cataracts Research Paper

Nahshon Brown 11/16/11 Human Anatomy 5th Period Cataracts What is Cataracts if you whitethorn ask? A cataract is an eye disease in which the indispensable electron crystalline lens of the eye gradually degrades the visual quality. The natural lens sits behind the colorful part of the eye known as the iris in the area known as the pupil, which sessnot be seen unless it becomes rattling cloudy. This is crucial, because the lens plays a significant role in focusing a light on the retina at the substantiate of the eye. The retina turns light into a neurologic signal that the brains takes and then interprets it to be vision. What cataracts do is block the light passing through the lens therefore causing visual symptoms and complaints. Where did the term cataracts derive from? Cataracts derived from the Grecian term cataractos, which describes rapidly running water. To show the connection surrounded by the two terms, when water is turbulent it is transformed from a pardon medium to white and cloudy. What are the causes of cataracts? The lens has a writing of mostly water and protein.

Some of the proteins are responsible for maintaining the limpidity of the lens but over the years the structure of the proteins in the lens are altered, which be givens to the gradual clouding of the eyes; Cataracts can be present at birth or thus far in early childhood but its very rare. Severe trauma to the eye and even eye surgical operation can also cause cataracts to occur early. Other factors that could lead to cataracts at an early age would be excessive ultraviolet exposure, diabetes, smoking or the use of medications such as oral, local or inhaled steroids. Cataracts can occur in one or both of the eyes but one eye has to be worse than the other. Cataracts are an eye disease that has been around throughout history. The earliest records are from the bible as well as early Hindu records. In the early days, concoctions and eye drops were produced to plow cataracts. Surgical... If you want to get a full essay, order it on our website: Ordercustompaper.com

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