Low vision is a bilateral impairment to vision that significantly impairs the functioning of the individual and cannot be adequately corrected with medical, surgical, therapy, conventional eyewear, or contact lenses. It is often a loss of sharpness or acuity but may present as a loss of field of vision, light sensitivity, distorted vision, or loss of contrast. Low vision may occur as a result of birth defects, injury, the aging process, or as a complication of disease. Low vision services do not cure the cause of the vision problem but rather utilize the remaining vision to its fullest potential. Low vision doctors prescribe prescription eyewear, filters, microscopic - telescopic eyewear, magnifiers, adaptive equipment, closed circuit television systems, independent living devices; provide training; and counsel patients.
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