Friday, July 26, 2019
Hyperopia (eye defect) Essay Example | Topics and Well Written Essays - 1000 words
Hyperopia (eye defect) - Essay Example For example, in mild cases of this disorder eyes may focus without corrective lenses. In some other forms of hyperopia, eyeglasses or contact lenses can be prescribed. As a rule, new born children have some problems of hyoperopia (Tsubota, Boxer Wacher, Azar, and Koch, 2003). This can be explained by an abnormal in eyeball length. This disorder is characterized by inability of the retina to reflect light primary to changing into a focused image, which can lead to difficulty seeing of close objects (Eye Health: Presbyopia and Your Eyes, October, 2005). Different mistakes of vision can be explained in terms of hyperopia, for example a person can have from none to clear distance vision or blurry near vision (Edmiston). The brains of a child with hyperopia cannot identify sharp lines. Parents of these children cannot understand that the child has some problems at an early age. A child with hyperopia can have problems when focusing one's attention on a particular object. There is a lackin g of a child's ability identify images. Some serious cases of hyperopia prevent brains from merging the images identified by individual eyes. This can be explained by blurred images received from brains. ... This type of drops relaxes the accommodation. The patient's visual status can be determined with the help of hand-held instrument called a retinoscope. It is possible to measure a refractive error in units called diopters (D) (Chou, 2006.) This disease is also known as farsightedness, when a person can see distant objects clearly, but close objects as blurred ones. Individuals suffering hyperopia can experience it in a different manner. Hyperopia is more characterized as eye disorder, but not as a disease. On the basis of recent researches and studies it is possible to find out different characteristics of this eye disorder. For example, the scientists have claimed that age of people and their gender influences development of this disorder. Female gender patients are more subjected to hyperopia. Other scientists claim that males are more subjected to this eye disorder. Actually, it is relevant to refer to the reliability of data and statistics used to rely on the results of the studi es. In accordance with findings of 2010: ââ¬Å"farsightedness commonly affects people during middle age - during their 40s or 50s, but it may also be present from birth. The majority of children who are born with some degree of hyperopia tend to get better as they get older and their eyes developâ⬠(Nordqvist, 2010). The National Health Service (NHS), UK, underlines that 13.2% of British people suffer this disorder, though they are 20-25 years aged. If to consider hyperopia from a physiological point of view, it is possible to see that there are the following features, which are appropriate for people suffering from it. The cornea is a front part of an eye that transmits the light and focuses it in the eye. The lens is so-called transparent structures in the
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