explain how optical and non-optical aids help visually challenged people to devlop their skill to ahigher level
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non-optical aid people who is blind from birth prefers it . it includes
tactual aid means to use the sense of touch
ex Braille system
it develop their sense of touch ata a higher level so that they can understand or feel anything by touching
optical aids
2auditory aid means to use the sense of hearing
ex audio cassette ,CDs,audio books
it improves their ability of hearing
#optical aids people who became partial blind after some time or at old age prefer it
it includes lenses and telescopic lens
it is curable
suitable lens ate given to affected persons
telescopic lens help in to view class demonstration and the black board
hope it helps you
tactual aid means to use the sense of touch
ex Braille system
it develop their sense of touch ata a higher level so that they can understand or feel anything by touching
optical aids
2auditory aid means to use the sense of hearing
ex audio cassette ,CDs,audio books
it improves their ability of hearing
#optical aids people who became partial blind after some time or at old age prefer it
it includes lenses and telescopic lens
it is curable
suitable lens ate given to affected persons
telescopic lens help in to view class demonstration and the black board
hope it helps you
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