The most severe and devastating physical impairment is considered to be blindness. Since the eyes transmit more information to the brain than any other organ, visual abnormalities may have an impact on a person's physical, mental, social, occupational, and educational trajectories. In our culture, persons who are blind or visually impaired have traditionally been given preference over those who are disabled in other ways. This group was given priority when it came to providing social and educational services. They get greater public attention than any other category because they are given unique rights and privileges.
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