It is the severe visual decline in one’s eyes. Lack of sight makes people not to be able to differentiate between light and darkness, and even eyeglasses and contact lenses are may not help a blind person to see. Blindness is…
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Some of the causes include infections, injuries, lack of glasses, trauma, etc. Blind students are also taught using various technologies, including Braille and assistive computer technology. These technologies enable students to read and listen to lecture notes, presentations, course materials and other reading materials.
Causes of blindness depend on the socioeconomic conditions to which a person is exposed. They include causes that affect the eye directly and those that affect visual processing centres like the brain. In developed economies, the primary causes of blindness include macular degeneration, traumatic injuries and ocular diabetes complications. In developing and underdeveloped nations blindness is caused primarily by infections, glaucoma, lack of glasses, injury, and cataracts. Some of the infections that lead to blindness in underdeveloped countries include onchocerciasis (river blindness), leprosy and trachoma. The herpes simplex is the most common cause of blindness in developed countries. There are also other causes of blindness such as retinopathy, deficiency of vitamin A, diseases affective the retina or optic nerve e.g. stroke, inflammation, eye malignancies, abnormalities of the congenital, hereditary eye diseases, and chemical poisoning. According to Bourne et al (2013), cataracts and macular degeneration are the leading causes of blindness. Cataracts affect people from developing and underdeveloped world while macular degeneration mainly affects people from developed countries.
Blindness can also be caused by amblyopia, or the lazy eye. This refers to the condition in which a child is born with poorer vision in one eye than the other (NIH Medline Plus, 2015). Untreated amblyopia leads to vision loss and blindness. As the child grows, the brain ignores images from the affected eye, leading to loss of vision in that eye as the child enters teenage stage of life. The condition starts when one of the child’s eyes develops a
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The poet reveals the basis of his suffering, which is none other than the lack of importance he feels. At the time that this poem is written, Milton is one of the greatest writers of England, and this horrible condition called blindness is about to end his career, thus rendering him useless, much like the talent in the Bible which the third man buries.
The novel seems to be quite thrilling because of its “science-fiction” apparel. But only on the surface level, the novel resembles much a science-fiction. Beneath its surface level there lies a quite serious philosophical and political intention that makes it an allegory of human life and society.
The term congenital blindness implies that the person has lost visual perception from the time of birth and it is virtually impossible that he would be able to see at any time in point. There are certain measures of blindness, usually there is a misconception and a very grave one, that any one who is termed blind cannot see a thing, this clearly is not the case because there are levels of blindness which emphasize the fact that a person cannot see after a particular level.
The absence of vision and myopic sensitivity at the time of birth means that a person shall never be able to recover from unsighted ness. This particular state is known as congenital blindness. Astonishingly, blindness hardly ever means total deficiency of light perception.
In a way, it was Fitzgerald’s commentary of the 1920s – an era where in staid conservatism and values of the previous decade were turned left behind as money, opulence, and exuberance became the order of the day – along with his conflicting feelings about the
‘blindness’ of Oedipus in his inability to realize the true and accept his fate until the end of the play, as well as the physical blindness of Tiresias, the only character who has the wisdom to see and accept the true identity of Oedipus. Most importantly, sight is used
This happens to everybody. When I see a person and meet him after some days, I am not able to detect any changes if some have occurred. This happens with the most familiar of persons too. If somebody will show me a flash card, and then
Among the people studied, posterior segment diseases (44%) and Cataract (41%) were the leading causes of blindness. The prevalence of diabetes in the population was 29.7%. Of the people confirmed to have