Different Levels Of Blindness example essay topic
413 words
Blindness is humans inability to see, that is to perceive visual stimuli, because of pathological changes in eyes, visual nerves or brain. Practical blindness is a term, which defines the vision loss to the extent, giving possibility to receive state grants and privileges. In the USA blindness is defined for people, whose vision does not exceed 6/60 for the better eye with the use of correction lenses, and the maximum diameter of the visual field is not more than 20 degrees. The main feature of blindness is that it cannot be corrected, and this defect deprives the diseased of the possibility to carry out major life activities. In legal documents blind people are called visually impaired, and the word blind is rarely used. It should be noted, that only ten percent of those, who are called visually impaired, do not have vision at all. The term visually impaired means, that a persons vision corresponds certain levels, under or above which he (she) is subject to state programs and is eligible for the vocational rehabilitation. Blindness may be caused by many reasons, which fall into two main groups the reasons may be hereditary or they may be caused by some acquired disease. There are also different levels of blindness, that is there are those, who dont see at all; those, who see only light; those, who can see some shapes or shadows; those, who can distinguish colors; those, who can see, but their view is very narrow, as if they were looking through some tube. But visually impaired people should not be considered to be absolutely handicapped. They can do many kinds of work, especially if they are trained and have special skills.
The blind person may be qualified for some specific kinds of work, and it is often that they can perform their tasks not worse than healthy people do, the main difference being in the fact, that they may need special tools. Blindness should not become a major reason of not giving job for a qualified person. Such people go through the vocational rehabilitation, thus being ready enough for working in any company. Blindness does not mean, that a person will have to get too many sick days, and the employer does not have to worry about that. Blindness may be the only defect of a person, which will let him work every day without any problem.
