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Visually Impaired
A visual impaired individual is one who looses the function of vision, which occurs when a part of the eye or the brain that processes images becomes diseased or damaged. Visual impairment is a situation where a person has sight problem that cannot be rectified by the use of glasses or contact lenses. The human eye has an iris that regulates the amount of light passing through the pupil. It also has a cornea that focuses light, and a retina that changes the light signals into nerve signals that form an image when sent to the brain. When the retina or the optic nerve ...