Acids include bifocal lences and relescopic acids for visually challenged persons
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Tactual aids, including Braille writer slate and stylus, help the visually challenged persons in taking notes, reading and writing. Auditory aids include cassettes, tape recorders, taiking books and other such devices. aids include bifocal lenses, contact lenses, tinted lenses, magnifiers d to rectify visual pic aids.
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