31
Jan
Low Vision
Most people classified as blind still retain some ability to see. They often have significantly impaired vision but can discern light, shapes, or other figures. Low vision refers to a class of visual impairment that cannot be corrected by glasses or contact lenses. A number of co...
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Jan
Color Blindness
Color blindness, also known as color vision deficiency, occurs when an individual cannot distinguish between certain colors like red and green or, less commonly, blue and yellow.Cause ofLight-sensitive tissue, the retina, lines the back of the eye and consists of two types of l...
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