Cars

Brenda Deckman Practicum Assignment #2 March 9th 2004 Human Aging Diseases and Disabilities carcass System: sensorial/VisualOrgan: Eyes Disease/Dis king: Cataracts interpretation: A Cataract is a clouding of the crystalline electron genus Lense of the inwardness that prevents assort passage of open through the lens. The coat and density of the cataract rout out interpolate greatly, so the forcefulness on vision go away also vary greatly. The closer the cataract is to the center of the pupil the to a greater extent the vision will be impaired. The more to the side of the lens the clouding is, the less severe the presages will be. Often the clouding is fairly equal t hroughout the lens. Symptoms: The most common herald of a cataract is blurred vision. It is most noticeable when driving a car or reading. The vision may be cloudy, spare or fuzzy. Because the lens is not crystal clear the b refineness level entering the bosom is scattered. This makes focusing on the retina difficult.

Sometimes a person with a cataract sees double. This is experienced when trying to focus on a distant object such as a traffic sign. Glare is also a token of a cataract. A person may see halos around lights at night which can make driving difficult, and bright sunniness can also be very irritating. Depth perception,! the index to judge distance may also be affected. right depth perception requires the use of both eyes, and since a cataract normally develops in one eye at a time, a person may favor the better eye. When one eye is favored the eyes are not working together which in turn affects depth perception. Changes in the way emblazon are seen can also be a symptom of a cataract. It may seem as if the world has been multi-colour gray. Certain shades of blue are distorted and demasculinize seem faded. When the cataract is removed colors once again appear...If you demand to get a full essay, order it on our website: BestEssayCheap.com

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